Preboard 2 Test-4 PDF

PREBOARD 2: TEST-4 10. At least mm of free conductor, measured from the point in the box where it emerges from 1. In section 2.10.3.3(A)(1), receptacle shall be...

PREBOARD 2: TEST-4 10. At least mm of free conductor, measured from the point in the box where it emerges from 1. In section 2.10.3.3(A)(1), receptacle shall be its raceway or cable sheath, shall be left at each installed such that no point measured outlet, junction and switch point. horizontally along the floor line of any wall Ans. 150 space is more than mm from a receptacle 11. All switches shall be located so that they may be outlet. operated from a readily accessible place, not Ans. 1800 more than meters from the floor to the 2. As used in Section 2.10.3.3(A)(2)(1), a wall center of the switch operating handle. space shall include any space mm or more Ans. 2 in width (including space measured around 12. A 250 or 125-volt, single phase, 15 or 20-ampere corners) and unbroken along the floor line by rated receptacle outlet shall be installed at an doorways and similar openings, fireplaces, and accessible location for the servicing of heating, fixed cabinets that do not have countertops or air conditioning, and refrigeration equipment. similar work surfaces. The receptacle shall be located on the same level Ans. 600 and within mm of the breathing air- 3. A receptacle outlet shall be installed at each wall conditioning, and refrigeration equipment. countertop and work surface that is mm or Ans. 7500 wider. 13. Receptacle located more than mm above Ans. 300 countertops are allowed but do not count as 4. Receptacle outlet shall be located on or above, required receptacle. but not more than mm above, the Ans. 500 countertop or work surface. 14. Interior stairways of or more risers (steps) Ans. 500 shall have a wall switch located at each floor 5. At least one receptacle outlet shall be installed in level and landing level that includes an bathroom within mm of the outside edge of entryway. each basin. Ans. 6 15. Appliance receptacle outlets installed in a Ans. 900 dwelling unit for specific appliances such as 6. At least one receptacle outlet shall be installed in laundry equipment, shall be installed within each vehicle bay and not more than mm meters of the intended location of the above the floor. appliances. Ans. 1700 Ans. 1.8 7. In dwelling units, hallways of mm or more 16. The overcurrent protective device(s) must be in length shall have at least one receptacle selected or set to carry indefinitely the sum of outlet. the current of the largest fire pump motor Ans. 3000 8. Floor receptacle located more than mm and 100% of the full-load current of the other fire pump motors and the fire pump accessory from the wall (or room divider) may not be counted as required receptacles. equipment. Ans. Locked-rotor Ans. 450 9. Regardless of whether the receptacle serves 17. The voltage drop at the fire pump controller line terminals shall not drop more than below countertop space or not, ground-fault circuit normal (controller-rated voltage) under motor interrupter (GFCI) protection is required if the starting condition. receptacle is within meters of the outside Ans. 15% edge of the sink. Ans. 1.8 18. The voltage at the load terminals of the fire permitted by relevant and applicable government pump controller shall not drop more than regulatory codes. below the voltage rating of the motor connected Ans. Approved to those terminals when the motor is operating at 28. What is the allowable ampacity of 2.0mm^2 155% of the full-load current rating of the motor. THHN copper if five of these conductors Ans. 5% (current-carrying conductors) are in a raceway 19. Grounding electrode conductor smaller than having a length of 450 mm? AWG shall be protected in RMC, IMC, Ans. 25Amps PVC, RTRC-XW, EW, or cable armor. 29. What is the minimum number of 20-ampere Ans. 6 branch circuit required for general lighting and 20. Conductors that are mm^2 and larger convenience receptacle load in a single-family (aluminum, copper-clad aluminum, copper) are dwelling having a total floor are of 575m^2? permitted to be in parallel. Ans. 3 Ans. 50 30. A qualifying term indicating that there is 21. The conductors installed in raceways, size purposely introduced a delay in the tripping AWG and larger shall be stranded. action of the circuit breaker, which delay Ans. 8 decreases as the magnitude of the current 22. The working space in front of the electric increases. equipment shall not be less than mm wide, Ans. Inverse Time or the width of the equipment, which-ever is 31. It is radiated power emitted by a light source and greater. perceived by the eye commonly called light Ans.750 output. 23. The point of connection between the facilities of Ans. Luminous flux the serving utility and the premises wiring. 32. A light source that emits its luminous flux in Ans. Service Point different directions and at different intensities. Is 24. The underground conductors between the utility the measured of light output in a specified electric supply system and the service point. direction. Measured in candela (cd) Ans. Service Lateral Ans. Luminous Intensity 25. The overhead conductors between the utility 33. It is the brightness of an illuminated or luminous electric supply system and the service point. surface as perceived by the human eye. Unit of Ans. Service Drop measurement in candela per square meter. 26. Any window used or designed to be used for the Ans. Luminance 34. Overhead conductor spans must maintain vertical display of goods or advertising material, whether clearance ____ feet above finished grade, it is fully or partly enclosed or entirely open at sidewalk, platforms, or projections that permit personal contact for circuits supplied by 120/208 the rear and whether or not it has a platform V or 120/240 V. raised higher than the street floor level. Ans. 10 feet 35. Overhead conductor spans must maintain vertical Ans. Show-window Clearance of ____ feet above residential property 27. Equipment and materials; and installations, and driveways, and commercial areas not subject to truck traffic for circuit supplied by 120/208 V, testing and commissioning methods, recognized 120/240 V, or 277/480 V? Ans. 12 feet as acceptable by local and international 36. Overhead conductor spans must maintain vertical standards-setting organization property equipped clearance of _____ feet above residential property and driveways, and commercial areas not subject and qualified for the testing, inspection of the to truck for circuit supplied by a system having a run of goods at factories, and service value voltage exceeding 300 V to ground. Ans. 15 feet determination through field inspection-and/or as 37. Overhead conductor spans must maintain vertical clearance of ____ feet over public streets, alleys , roads parking areas subject to truck traffic, drive ways on other than residential property, and other areas traversed by vehicles such as these used for  cultivation, grazing, forestry, and orchards. Ans. 30 inches Ans. 18 feet 54. The height of the working must be clear and 38. Direct buried cables and conductors is not extend from the grade, floor, or platform to a required to extend more than ____ inches below height of ______ feet or the height of the grade and protection above ground must extend to equipment. a height of not less than ______ feet. Ans. 6.5 ft Ans. 18 inches, 8 feet 55. Electrical equipment such as raceways, cables, 39. The underground conductors between the utility panelboards, or support structures ( such as electric supply system and service point. concrete pads) is permitted to extend not more Ans. Service lateral than _______ inches beyond the front of the 40. Overhead conductors must maintain a vertical electrical equipment. clearance of _____ feet above the surface of a Ans. 6 inches roof and must be maintained for a distance of at 56. Dedicated space equals the footprint (width and least ________ feet from the edge of the roof. depth) Of the from the floor to ________ ft above Ans. 8 feet, 3 feet the equipment or to the structural celing, 41. The point of connection between the facilities of whichever is slower. the serving utility and the premises wiring Ans. 6 feet Ans. Service point 57. GFCI protection is not required for a refrigerator 42. The ______feet clearance from the roof edge does receptacle outlet unless it is located within _____ not apply when the point of. The attachment is on feet from the top inside edge of the bowl of a the side of the building below the roof. kitchen sink. Ans. 3 feet Ans. 6 feet 43. Overhead conductors must maintain a clearance 58. To provide reasonable efficiency of operation of of at least _____ ft from sign, tanks, and their electrical equipment, branch circuit conductors nonbuilding chimneys, radio and television should be sized to prevent a voltage drop not antennas, structures. exceeding _____ percent. Ans. 10 feet Ans. 3% 44. Boxes with openings of less than 8 inches must 59. Receptacle outlets installed for specific have at least _____ inches of conductor where it appliances, such as a washing machine, dryer, enters the box and at least ______ inches outside range, or refrigerator must be within ___feet of the box. the appliances intended location. Ans. 6 inches, 3inches Ans. 6 feet 45. For 120/207 V or 120/240 V circuits, the 60. Floor receptacle outlet outlets located within conductor clearance over the roof ____ inches if ___inches of the wall can be counted as the no more than 6 feet of conductor passes overhang required wall outlet. can be reduced to over no more than 4ft of roof Ans. 18 inches Ans. 18 inches 61. At least one receptacle outlet must be installed 46. The overhead conductor clearances from the roof within ____ feet of the outside edge of each can be reduced to _____ feet if the slope of the bathroom area basin. roof meets or exceeds 4 in. of vertical rise for Ans. 3 feet every 12 in. of horizontal run. 62. The receptacle outlet must be located on a wall or Ans. 3 feet partition adjacent to the basin counter surface, or 47. Are those system legally required and classed as on the side or face of the basin cabinet. In no case emergency by the governmental agency having can the receptacle outlet be located more than jurisdiction. These systems are intended to ___inches below the top of the basin or basin automatically supply illumination and/or power countertop. essential for safety. Ans. 12 inches Ans. Emergency system 63. Receptacles installed below a countertop or 48. The overcurrent protection scheme confines the work surface must not be located where the interruption to a specific area rather than to the countertop or work surface extends more whole system. than ___inches beyond its support base. Ans. Selective coordination Ans. 6 inches 49. Consists of the conductors between the final 64. At least one receptacle outlet must be installed in overcurrent protective device and the receptacle each hallway ____feet long or more measured outlets, lighting outlets, or other outlets. along the centerline without passing through a Ans. Branch Circuit doorway. 50. Capable of being reached quickly without having Ans. 10 feet to climb over or remove obstacles, or resort to the 65. Each dwelling unit of a multifamily dwelling unit use of portable ladders. with grade level entry must have at least an Ans. Readily accessible outdoor readily accessible receptacle outlet 51. A qualifying term indicating that there is located not more than __feet above grade purposely introduced a delay in the tripping action Ans. 6.5 feet of the circuit breaker, which delay decreases as 66. GFCI protection is required for receptacles the magnitude of the current increases. located within ___ feet of the outside edge of a Ans. Inverse time bathtub or shower stall not installed within a 52. The overhead conductors between the utility bathroom electric supply system and the service point. Ans. 6 feet Ans. Service drop 67. a receptacle outlet must be installed so no point 53. The width of the wiring space must be a minimum along countertop wall space is more than ___ feet of _____ inches, but in no case less than the width measured horizontally, from a receptacle outlet of the equipment. Ans. 2 feet 68. A countertop _______ inches or wider requires receptacle is within ____ meters of the outside receptacle. edge of the sink. Ans. 12 inches Ans. 1.8 m 69. receptacle outlets are permitted to be located on 86. At least ____ mm of free conductor, measured or above but not more than ____inches above the from the point in the box where it emerges from countertop or work surfaces its raceway or cable sheath, shall be left at each Ans. 20 inches outlet, junction and switch point. 70. a receptacle outlet is required in each vehicle bay Ans. 150 mm of a garage with electric power and be installed 87. All switches shall be located so that they may be no higher than ___ feet above the floor operated from a readily accessible place, not Ans. 5.5 feet more than ____ meters from the floor to the 71. foyer with an area greater than 60 square feet center of the switch operating handle. must have a receptacle outlet in each wall space Ans. 2 m ____ feet or wider 88. A 250 or 125-volt, single phase, 15 or 20-ampere Ans. 3 feet rated receptacle outlet shall be installed at an 72. at least ____mm of free conductor, measured accessible location for the servicing of heating, from the point in the box where it emerges from air conditioning, and refrigeration equipment. its raceway The receptacle shall be located on the same level Ans. 150 mm and within ____ mm of the breathing air 73. all switches shall be located so that they may be conditioning, and refrigeration equipment. operated from a readily accessible place not Ans. 7600 mm more than ____ meters 89. Receptacle located more than ____ mm above Ans. 2 meters countertops are allowed but do not count as 74. grounding electrode conductor smaller than required receptacle. ____awg shall be protected in rmc, imc Ans. 500 mm Ans. 6 awg 90. Interior stairways of ____ or more risers (steps) 75. the conductors installed in raceways, size shall have a wall switch located at each floor ____awg and larger shall be stranded level and landing level that includes an entryway. Ans. 8 awg Ans. 6 risers 76. receptacles shall be installed such that no point 91. Appliance receptacle outlets installed in a measured horizontally along the floor line of any dwelling unit for specific appliances such as wall space is more than ____mm from a laundry equipment, shall be installed within ____ receptacle outlet meters of the intended location of the appliances. Ans. 1800 mm Ans. 1.8 m 77. a wall space shall include any space ___ mm or 92. The overcurrent protective device(s) must be more in width and unbroken along the floor line selected or set to carry indefinitely the sum of the by doorways ____ current of the largest fire pump motor and Ans. 600 mm 100% of the full-load current of the other fire 78. a wall space shall include any space ____ mm or pump motors and the fire pump accessory more in width (including space measured around equipment. corners) and unbroken along the floor line by Ans. Locked -rotor doorways and similar openings, fireplaces, and 93. The voltage drop at the fire pump controller line fixed cabinets that do not have countertops or terminals shall not drop more than ____ below similar work surfaces. normal (controller-rated voltage) under motor Ans. 600 mm starting condition. 79. A receptacle outlet shall be installed at each wall Ans. 15% countertop and work surface that is ____ mm or 94. The voltage at the load terminals of the fire pump wider. controller shall not drop more than ____ below Ans. 300 mm the voltage rating of the motor connected to those 80. Receptacle outlet shall be located on or above, terminals when the motor is operating at 155% of but not more than ____ mm above, the the full-load current rating of the motor. countertop or work surface. Ans. 5% Ans. 500 mm 95. Grounding electrode conductor smaller than ____ 81. At least one receptacle outlet shall be installed in AWG shall be protected in RMC, IMC, PVC, bathroom within ____ mm of the outside edge of RTRC-XW, EW, or cable armor. each basin. Ans. 6 AWG Ans. 900 mm 96. Conductors that are ____ mm^2 and larger 82. At least one receptacle outlet shall be installed in (aluminum, copper-clad aluminum, copper) are each vehicle bay and not more than ____ mm permitted to be in parallel. above the floor. Ans. 50 mm^2 Ans. 1700mm 97. The conductors installed in raceways, size ____ 83. In dwelling units, hallways of ____ or more in AWG and larger shall be stranded. length shall have at least one receptacle outlet. Ans. 8 AWG Ans. 3000 mm 98. The working space in front of the electric 84. Floor receptacle located more than ____ mm equipment shall not be less than ____ mm wide, from the wall (or room divider) may not be or the width of the equipment, which-ever is counted as required receptacles. greater. Ans. 450 mm Ans/ 762 mm 85. Regardless of whether the receptacle serves 99. What is the allowable ampacity of 2.0mm^2 countertop space or not, ground-fault circuit THHN copper if five of these conductors interrupter (GFCI) protection is required if the (current-carrying conductors) are in a raceway  having a length of 450 mm? Ans. Branch circuit, individual Ans. 25 A 118. a branch circuit that consists of two or more 100. What is the minimum number of 20-ampere ungrounded conductors that have voltage branch circuit required for general lighting and between them. convenience receptacle load in a single-family Ans. Branch circuit, Multiwire dwelling having a total floor are of 575m^2? 119. a structure that stands alone or that is separated Ans. 3 from adjoining structures by firewall. 101. capable of being reached quickly for Ans. Building operation, renewal or inspections. 120. equipment that controls dc voltage or dc Ans. Readily Accessible current, or both, and that is used to charge a 102. power conversion equipment that provides a battery or other energy storage device. means of adjusting the speed of an electric Ans. Charge controller motor. 121. a device designed to open and close a circuit Ans. Adjustable speed drive by nonautomatic means and to open the circuit 103. the current, in amperes that a conductor can automatically on a predetermined overcurrent carry continuously under the conditions of use without damage to itself when properly applied without exceeding its temperature rating. within its rating. Ans. Ampacity Ans. Circuit Breaker 104. utilization equipment, generally other than 122. circuit breaker can be set to trip at various industrial, that is normally built in standardized values of current, time or both, within a pre- sizes or types and is installed or connected as a determined range. unit to perform one or more functions such as Ans. Adjustable circuit breaker clothes washing, air conditioning, food mixing, 123. no delay is purposely introduced in the deep drying, and so forth. tripping action of the circuit breaker. Ans. Appliance Ans. Instantaneous trip CB 105. a generic term for a group of nonflammable 124. there is purposely introduced a delay in the synthetic chlorinated hydrocarbons used as a tripping action of the circuit breaker, which delay electrical insulating media. decreases as the magnitude of the current Ans. Askarel increases. 106. performing a function without the necessity of Ans. Inverse time CB human intervention. 125. circuit breaker that does not have any Ans. Automatic adjustment to alter the value of the current at 107. an area including a basin with one or more of which it will trip or the time required for its the following: a toilet, a tub, or a shower. operation. Ans. Bathroom Ans. Nonadjustable CB 108. interconnected battery subsystems consisting 126. value of the current, time, or both, at which an of one or more storage batteries and battery adjustable circuit breaker is set to trip. chargers, and can include inverters, converters Ans. Setting CB and associated electrical equipment. 127. a non-habitable room or space intended Ans. Battery system primarily for storage of garments and apparel. 109. connected to establish electrical continuity Ans. Clothes Closet and conductivity. 128. a cylindrical assembly composed of a Ans. Bonded (Bonding) conductor centered inside a metallic tube or 110. a reliable conductor to ensure the required shield, separated by a dielectric material, and electrical conductivity between metal parts usually covered by an insulating jacket. required to be electrically connected. Ans. Coaxial cable Ans. Bonding Conductor or jumper 129. a conductor having no covering or electrical 111. the connection between two or more portions insulation whatsoever. of the equipment grounding conductor. Ans. Conductor, Bare Ans. Bonding Jumper, Equipment 130. a conductor encased within material of 112. the connection between the grounded circuit composition or thickness that is not recognized conductor and the equipment grounding by this code as electrical insulation. conductor at the service. Ans. Conductor, covered Ans. Bonding Jumper, main 131. a conductor encased within material of 113. the connection between the grounded circuit composition and thickness that is recognized by conductor and the equipment grounding this code as electrical insulation. conductor at a separately derived system. Ans. Conductor, Insulated Ans. Bonding Jumper, system 132. a separate portion of a conduit or tubing 114. the circuit conductors between the final system that provides access through a removable overcurrent device protecting the circuit and the cover(s) to the interior of the system at a outlet(s). conjunction of two or more sections of the system Ans. Branch circuit or at a terminal point of the system. 115. a branch circuit that supplies energy to one or Ans. Conduit body more outlets to which appliances are to be 133. a load where the maximum current is expected connected. to continue for 3 hours or more. Ans. Branch circuit, appliance Ans. Continuous Load 116. a branch circuit that supplies two or more 134. an enclosure designed for surface mounting receptacles or outlets for lighting and appliances. that has swinging doors or covers secured directly Ans. Branch circuit, general purpose to and telescoping with the walls of the enclosure. 117. a branch circuit that supplies only one Ans. Cutout Box utilization equipment. 135. without live parts exposed to a person on the  operating side of the equipment. danger. Ans. Dead front Ans. Guarded 136. the ratio of the maximum demand of a system, 153. any shaft-way, hatchway, well hole, or other or part of a system, to the total connected load of vertical opening or space in which an elevator or the system or the part of the system under dumbwaiter is designed to operate. consideration. Ans. Hoistway Ans. Demand Factor 154. a system comprised of multiple power sources. 137. a unit of an electrical system, other than a Ans. Hybrid System conductor, that is intended to carry or control but 155. a nonmetallic raceway placed within a larger not utilize electrical energy. raceway. Ans. Device Ans. Innerduct 138. a device, or group of devices, or other means 156. the highest current at rated voltage that a by which the conductors of a circuit can be device is intended to interrupt under standard test disconnected from their source of supply. conditions. Ans. Disconnecting means Ans. Interrupting rating 139. a single unit, providing complete and 157. an area with a sink and permanent provisions independent living facilities for one or more for food preparation and cooking. persons, including permanent provisions for Ans. Kitchen living, sleeping, cooking, and sanitation. 158. an outlet intended for the direct connection of Ans. Dwelling Unit a lamp holder, a luminaire, or a pendant cord 140. a building that consists solely of one dwelling terminating in a lampholder. unit. Ans. Lighting Outlet Ans. Dwelling, one-family 159. energized conductve components. 141. a building that contains two or more dwelling Ans. Live parts units. 160. a law enacted by congress providing for a Ans. Dwelling, Multifamily more responsive and comprehensive regulation 142. an overcurrent protective device that generally for the practice, licensing, and registration of consists of a control module that provides current electrical engineers and electricians otherwise sensing. referred to as Republic Act 7920. Ans. Electronically Actuated Fuse Ans. National Electrical Engineering Law 143. a case or housing of apparatus, or the fence or 161. any current in excess of the rated current of walls surrounding an installation to prevent equipment or the ampacity of the conductor. personnel from accidentally contacting energized Ans. Overcurrent parts or to protect the equipment from physical 162. a device capable of providing protection for damage. service, feeder, and branch circuits and Ans. Enclosure equipment over the full range of overcurrents 144. electrically connected to a source of voltage. between its rated current and its interrupting Ans. Energized rating. 145. all circuit conductors between the service Ans. Overcurrent protective device, branch equipment, the source of a separately derived circuit system, or other power supply source and the 163. operation of equipment in excess of normal, final branch circuit overcurrent device. full load rating. Ans. Feeder Ans. Overload 146. a string of outdoor lights that is suspended 164. a single panel or group of panel units designed between two points. for assembly in the form of a single panel. Ans. Festoon Lighting Ans. Panelboard 147. a building or portion of a building in which 165. a compartment or chamber to which one ore one or more self-propelled vehicles can be kept more air ducts are connected and that forms part for use, sale, storage, rental, repair, exhibition, or of the air distribution system. demonstration purposes. Ans. Plenum Ans. Garage 166. equipment with electrical components suitable 148. connected or connecting to earth or to some to be moved by a single person without conducting body that serves in place of the earth. mechanical aids. Grounded (Grounding) Ans. Portable Equipment 149. a system or circuit conductor that is 167. an enclosed assembly that may include intentionally grounded. receptacles, circuit breakers, fuse holders, fused Ans. Grounded conductor switches, buses and watt-hour meter mounting 150. a device intended for the protection of means. personnel that functions to de-energized a circuit Ans. Power Outlet or portion thereof within an established period of 168. an enclosed channel of metallic or nonmetallic time. materials designed expressly for holding wires, Ans. Grounded-Fault Circuit Interrupter cables or busbars, with additional functions. (GFCI) Ans. Raceway 151. a device that establishes an electrical 169. the conductors from the service point to the connection to the earth. service disconnecting means Ans. Grounding Electrode Ans. Service conductors 152. covered, shielded, fenced, enclosed, or 170. the overhead conductors between the service otherwise protected by means of suitable covers, point and the first point of connection to the casings, barriers, rails, screens, mats, or service entrance conductors at the building or platforms to remove the likelihood of approach other structure. or contact by persons or objects to a point of Ans. Service conductors, overhead 171. the underground conductor between the of use without exceeding its temperature service point and the first point of connection to rating. the service entrance conductors in a terminal Ans. Ampacity box, meter, or other enclosure, inside or outside 188. The circuit conductors between the final the building wall. overcurrent device protecting the circuit and Ans. Service conductors, Underground the outlet(s). 172. a service conductors between the terminals of Ans. Branch Circuit the service equipment and a point usually outside 189. A device intended for the protection of the building. personnel that functions to de-energize a Ans. Service Entrance conductors, overhead circuit or portion thereof within an system established period of time when a current to 173. a service conductors between the terminals of ground exceeds some predetermined value the service equipment and a point of connection that is less than that required to operate the to the service lateral or underground service overcurrent protective device of the supply conductors. circuit. Ans. Service Entrance conductors, Ans. Ground Fault Circuit Interrupter (GFCI) Underground System 190. provides guidelines for residential wiring, 174. the necessary equipment usually consisting of including the use of proper wire sizes, a circuit breakers or switches and fuses and their grounding, and installation methods. accessories, connected to the load end of service Ans. PEC I conductors to a building. 191. provides guidelines for designing and Ans. Service Equipment installing industrial electrical systems, 175. a protecting device used for limiting surge including power distribution, grounding, and voltages by discharging or bypassing surge protection. current; it also prevents continued flow of follow Ans, PEC 2 current while remaining capable of repeating 192. PEC 1 requires a minimum conductor size these functions. of __ mm2 for branch circuits, Ans. Surge Arrester Ans. 2.0 mm^2 176. a large single panel, frame or assembly of 193. PEC 2 requires a minimum size of ___ panels on which are mounted on the face, back, mm2. or both, switches, overcurrent and other Ans. 2.5 mm^2 protective devices, buses, and usually 194. PEC 1 allows a maximum voltage drop of instruments. _____ Ans. Switchboard Ans. 3% 177. an assembly completely enclosed on all sides 195. PEC 2 allows a maximum voltage drop of and top with sheet metal and containing primary _____ power circuit switching, interrupting devices, or Ans. 5% both, with busses and connections. 196. The first edition of the National Electrical Ans. Switchgear Code (NEC) was published by the National 178. a power supply used to provide alternating Board of Fire Underwriters in ___ current power to a load for some period of time Ans. 1897 in the event of a power failure. 197. The purpose of this Code is the practical Ans. Uninterruptible Power Supply safeguarding of persons and property from 179. equipment that utilizes electric energy for hazards arising from the use of electricity. electronic, electromechanical, chemical, heating, Ans. PEC 1 and 2 lighting or similar purposes. 198. Otherwise known as NFPA 70 is a Ans. Utilization Equipment regionally adoptable standard for the safe 180. provided with a means to permit circulation of installation of electrical equipment and air sufficient to remove an excess of heat, fumes wiring. or vapors. Ans. National Electric Code Ans. Ventilated 199. is a global self-funded nonprofit 181. constructed so that moisture will not enter the organization, established in 1896, devoted to enclosure under specified test conditions. eliminating death, injury, property and Ans. Watertight economic loss due to fire, electrical and 182. constructed or protected so that exposure to related hazards. the weather will not interfere with successful Ans. National Fire Protection Association operation. (NFPA) Ans. Weatherproof 200. are a collection of national standards 183. What is PEC 1? stipulating the criteria for mineral or Ans. Electrical Installation inside buildings industrial products, data, and services in 184. What is PEC II? Japan, including their quality, performance Ans. Electrical installation outside buildings and test methods. 185. Characterized by the use of the word “shall” Ans. Japanese Industrial Standard Ans. Mandatory rules 201. is a nonprofit organization that develops 186. characterized by the use of the word and publishes standards concerning electrical "SHOULD" or are stated as technologies, of which a truly wide variety recommendations of that which is advised exists in today's modern world. but not required Ans. International Electrotechnical Commission Ans. Advisory Rules 202. is an association of electrical testing 187. The current in amperes that a conductor companies. Their goal is to ensure the highest can carry continuously under the conditions levels of electrical reliability and safety.  Ans. International Testing Association (NETA) a grounded-circuit conductor 203. contractors are the technical professionals Grounding Conductor responsible for the most innovative and - The conductive path(s) that provides a safest electrical construction in the U.S. ground-fault current path and connects Ans. National Electrical Contractor Association normally non-current-carrying metal parts of (NECA) equipment together and to the system 204. Brings together communities of interest grounded conductor or to the grounding across -- Technology, Government Affairs, electrode conductor, or both Standards, and Business Performance -- to - Equipment grounding conductors can be bare, enable high-speed networks and accelerate covered, or insulated. Individually covered (or next-generation Information and insulated) equipment grounding conductors Communications Technology (ICT) must have a continuous outer finish that is innovation. either green or green with yellow stripe(s) Ans. Telecommunication Industry Association Ungrounded Conductor 205. is a not-for-profit organization whose - Conductors used as ungrounded (hot) goods are to establish, maintain, and operate conductors, whether single conductors or in laboratories for the investigation of multiconductor cables, must be finished in a materials, devices, products equipment, way that clearly distinguishes them from constructions, methods, and systems with grounded and grounding conductors. respect to hazards affecting life and property. Ungrounded (hot) conductors (except for a Ans. Underwriters Laboratory (UL) high-leg conductor) can be any color other 206. is a globally recognized leader in the than white, gray, green, or green with development and delivery of voluntary yellow stripe(s). consensus standards. Today, over 12,000 - UNGROUNDED – not connected to ground ASTM standards are used around the world or to a conductive body that extends the to improve product quality, enhance health ground connection and safety, strengthen market access and trade, and build consumer confidence Ans. American Society for Testing and materials (ASTM) International 207. Is the act giving advice and information to enlighten and assist him in solving electrical problems or controversies and/or to represent Branch Circuit such client where the electrical consultants - “The circuit conductors between the final may be required overcurrent device protecting the circuit and Ans. Electrical Engineering Consultation the outlet(s)” 208. Require adequate mastery of theory and - is that part of the wiring that runs from the planning and extensive experience in final overcurrent device to the outlet electrical construction and installation in addition to a working knowledge of existing Dwelling Unit applicable codes and laws and the - A single unit, providing complete and requirements of utility companies concerned independent living facilities for one or more Ans. Inspection and Appraisal persons, including permanent provisions for living , sleeping, cooking, and sanitation Feeder – is the conductors located after the main o Dwelling, One-Family disconnect switch but before the final branch circuit o Dwelling, Two-Family overcurrent devices. o Dwelling, Multifamily 18 AWG Copper, 7 A Small Appliance Branch Circuit - Continuous loads do not exceed 5.6 A - NEC 2020 – two or more 20 A 16 AWG copper, 10 A - PEC2017 – one or more 20 A - Continuous loads do not exceed 8 A 14 AWG Copper, 15 A Laundry Branch Circuit 12 AWG Aluminum and Copper-Clad Aluminum 15 - At least one 20-A A 12 AWG Copper, 20 A Bathroom Branch Circuit - At least one 20 A Garage Branch Circuit - At least one 20 A RECEPTACLE REPLACEMENT 1. Any space 600 mm (2 ft) or more in width 2. Spacing between two outlets s 1.8 m or 6 ft 3. The maximum distance between receptacles is 12 ft or 3.6 m Grounded Conductor Fixed Room Divider - A system or or cicuit conductor that is - The space afforded by fixed room dividers, intentionally grounded such as railings or freestanding bar-type - Generally, a conductor with a continuous counters, shall be counted as wall space white or gray covering shall be used only as  »210.52(A)(2)(3)« wider shall be installed an outlet. - Receptacle outlets in or on floors are permitted. Receptacles located more than 18 in. (450 mm) from the wall (or room divider) may not be counted as required receptacles »210.52(A)(3)« - Receptacles outlets in or on floor shall not be counted as part of the required number of receptacle outlets unless located within 450 mm (18 in) Dwelling Unit Receptacle Outlets - Located within cabinets or cupboards are not counted as receptacle outlets - Located more than 1.7 m (5.5 ft) above the floor are counted as receptacle outlets - A floor receptacle may be required if a balcony handrail is longer than 6 ft (1.8 m). OUTDOOR RECEPTACLE OUTLETS - One-Family and two-Family Dwellings. At least one receptacle outlet readily accessible from grade and not more than 2.0 m or 6.5 ft above grade level shall be installed at the front or back of dwelling units. Balconies, Decks, and Porches - At least one receptacle outlet must be installed not more than 6.5 ft above any balcony, deck or porch surface that s within 4 in. horizontally of the dwelling unit EQUIPMENT OUTLET - A 125 V single phase, 15 or 20 A rated receptacle outlet shall be installed at an accessible location for the servicing of heating, air conditioning, and refrigeration equipment. The receptacle shall be located on the same level are within 25 ft (7.5 m) of the heating, ACU, and refrigeration equipment. NOTE: A receptacle outlet shall not be required at one- or two- family dwelling for the service of evaporative coolers. CAUTION: The receptacle outlet shall not be connected to the load side of the equipment disconnecting means - At least one lighting outlet controlled by a listed wall mounted controlled device shall e installed in hallways, stairways, attached garages, and detached garages with electric power. GFCI - Bathrooms - Garages - Outdoors RECEPTACLE AND BRANCH CIRCUIT RATING - Kitchen countertops surfaces have GFCI protection ----- rated20 or 20 A-----small appliance 20 A - For worksurfaces that are 300 mm (12 in) or  - 900 mm (3ft) of the outside of each basin - 300 mm (12 in) below the top of the basin LAUNDRY AREAS - In dwelling units, at least one receptacle outlet shall be installed in areas designated for the installation of laundry equipment GARAGE - A receptacle outlet is required in each vehicle bay of a garage with electric power and be installed no higher than 5ft 6in (1.7 m) above the floor - A receptacle outlet is required in each accessory building with electric power HALLWAYS - In dwelling units hallways of 3 m (10ft) or more in length shall have at least one receptacle outlet. FOYERS - Foyers that are not part of the hallway and that have an area that is greater than 5.6 m^2 or (60 ft^2) shall have a receptacle located in each RECEPTACLE OUTLET LOCATION wall space 900 mm ( 3 ft)) or more in width. - On or above countertop or work surfaces. On or above, but not more than 500 mm (20 in) above, the countertop or work surface. - Below countertop or work surfaces. Not more than 300 mm (12 in) below the countertop or work surface. LIGHTING OUTLETS - Habitable Rooms o At least one lighting utlet controlled by a listed wall mounted control devce - In other kitchens and bathrooms, a receptacle controlled by a lsted wall-mounted control device can be used instad of a lighting outlet - A wall mounted control device behind a foor is anot an NEC volation GFCI According to Article 100, a "GroundFault Circuit Interrupter“ (GFCI) is a device intended to protect people by de-energizing a circuit when a current imbalance is of 6 mA or higher and does  not do so when the current to ground is less than 4 mA. BRANCH CIRCUIT RATING - According to Article 100, a "Bathroom Area" - The rating of a branch circuit is determined by is an area that includes a basin and one or the rating of the branch circuit overcurrent more of the following: a toilet, urinal, tub, protective device, not by the ampacity rating of shower, bidet, or similar plumbing fixture the conductor. - GFCI protection is required for all receptacles located outdoors of dwelling units including CONDUCTOR SIZING receptacles under the eaves of roofs. - Feeder : 3 % of the maximum recommender - GFCI protection is required for all receptacles voltage drop located n dwelling unit crawl spaces at or - Branch circuit: 3% maximum recommended below grade voltage drop - GFCI protection s required for all receptacles - The combined voltage drop of the feeder and located in dwelling unit basement branch circuit should not exceed 5 % of the - GFCI protection is required for all receptacles voltage source. located within 6 ft from the top inside edge of the bowl of a dwelling unit sink. Without adjustment or correction - Boathouses GFCI - 125% Continuous loads and - Bathtubs or shower stalls – where receptacles - 100% of Non continuous loads are installed within 1.8 m (6ft) of the outside edge of the bathtub or shower stall - Laundry area Overcurrent is a condtion where current exceeds the rating equipment or the ampacity of a conductor due to overload, short circuit, or ground fault Overload s a condition where the equipment or conductors carry current rating. A fault, such as short - Equipment fastened in place s not permitted to circuit or ground fault is not an overload. be rated more than 50% of the branch circuit rating. Short Circuit. Is the unintentional electrical connection between any two normally current carrying conductors LOCATION IN CIRCUIT FEEDER TAPS of an electric circuit, either line to line or line to - The tap is permitted at any point on the load neural. side of the feeder overcurrent protective device. Ground Fault. Is an unintentional, electrically - Conductors ae permitted to be tapped, without conducting connection between a phase conductor of a overcurrent protection at the tap, to a feeder. electric crcuit and the normally noncurrent-carrying - Taps Not over 3m (10ft ) and the tap conductor conductors, metal enclosures, metal raceways, metal does not exceed 3m (10ft) and the tap equipment, or the Earth. conductors comply wth the ff. MOTORS - Motor service factors are safety factors; they indicate how muc the motor capacity can be exceeded for short perids without overheating, - Motors with a nameplate temperature rise of 40 degrees celcius or less must have te overload device sized no more than 125% of the motor nameplate current rating.