Mastering the Sequence of Equipment Connections & Disconnections

<p>A main bonding jumper</p> Signup and view all the answers

<p>To connect the grounded service conductor to the frame</p> Signup and view all the answers

<p>Using an equipment-bonding jumper</p> Signup and view all the answers

<p>They are exempt from Section 406.9(B)(2)</p> Signup and view all the answers

<p>Portable pump motor</p> Signup and view all the answers

<p>Inside the tub or shower</p> Signup and view all the answers

<p>To minimize the use of electrical devices in those areas</p> Signup and view all the answers

<p>Green</p> Signup and view all the answers

<p>Grounding-type</p> Signup and view all the answers

<p>To make the grounding connection last</p> Signup and view all the answers

<p>All dwelling units and boathouses</p> Signup and view all the answers

<p>Connections and disconnections are performed in the same sequence</p> Signup and view all the answers

<p>Equipment operating at over 1000 volts</p> Signup and view all the answers

<p>Switchgear</p> Signup and view all the answers

<p>Switchboards and switchgear</p> Signup and view all the answers

<p>15- and 20-ampere, 125- and 250-volt receptacles</p> Signup and view all the answers

<p>Receptacles suitable for wet locations</p> Signup and view all the answers

<p>90 degrees</p> Signup and view all the answers

<p>All 125- and 250-volt nonlocking receptacles</p> Signup and view all the answers

<p>In all types of environments including pediatric care locations, child care facilities, and residential environments</p> Signup and view all the answers

<p>To prevent children from inserting foreign objects into receptacles</p> Signup and view all the answers

<p>All of the above</p> Signup and view all the answers

<p>All of the above</p> Signup and view all the answers

<p>B phase</p> Signup and view all the answers

<p>Orange</p> Signup and view all the answers

<p>To indicate the phase with the higher voltage to ground</p> Signup and view all the answers

<p>Located on the face of, inside of, or in an approved location adjacent to the panel door</p> Signup and view all the answers

<p>Identify them by their location</p> Signup and view all the answers

<p>To indicate that they are spares</p> Signup and view all the answers

<p>To promote more efficient lockout/tagout processes</p> Signup and view all the answers

<p>Available fault current</p> Signup and view all the answers

<p>Available fault current</p> Signup and view all the answers

<p>To ensure compliance with 408.6</p> Signup and view all the answers

<p>Identified closures or other approved means</p> Signup and view all the answers

<p>Panelboard cabinets and panelboard frames, if of metal, shall be in physical contact with each other and shall be connected to an equipment grounding conductor.</p> Signup and view all the answers

<p>Inside the cabinet</p> Signup and view all the answers

<p>The cabinet and panelboard frame</p> Signup and view all the answers

<p>Individual protection is not required if the panelboard is protected by two main circuit breakers or two sets of fuses with a combined rating not greater than that of the panelboard.</p> Signup and view all the answers

<p>On the secondary side of the transformer.</p> Signup and view all the answers

<p>42</p> Signup and view all the answers

<p>200 amperes</p> Signup and view all the answers

<p>The marking is required to warn qualified individuals of the presence of a high leg (208 volts to ground) in the equipment.</p> Signup and view all the answers

<p>To differentiate between grounded and ungrounded electrical systems.</p> Signup and view all the answers

<p>To indicate the voltage between conductors and to warn individuals about the voltage to ground under fault conditions.</p> Signup and view all the answers

<p>To indicate the voltage between conductors.</p> Signup and view all the answers

<p>They must be located in permanently dry locations and accessible only to qualified persons.</p> Signup and view all the answers

<p>It must be marked 'Use Copper or Aluminum Wire'</p> Signup and view all the answers

<p>Wire sizes 14 AWG through 1 AWG have a 60°C ampacity rating, while wire sizes 1/0 AWG and larger have a 75°C ampacity rating.</p> Signup and view all the answers

<p>42</p> Signup and view all the answers

<p>The neutral terminal bar</p> Signup and view all the answers

<p>A separate terminal bar</p> Signup and view all the answers

<p>To avoid parallel paths for current</p> Signup and view all the answers

<p>To reduce electrical noise on the grounding circuit</p> Signup and view all the answers

<p>An insulated EGC that is run with the circuit conductors</p> Signup and view all the answers

<p>At a point in the system where the noise is mitigated</p> Signup and view all the answers

<p>To provide a safe path for ground-fault current</p> Signup and view all the answers

<p>Retrofit kits should not be installed in metal luminaire canopies or in open bases of portable table or floor luminaires.</p> Signup and view all the answers

<p>Luminaires, lampholders, and retrofit kits must be listed to ensure no live parts are exposed.</p> Signup and view all the answers

<p>To ensure the connections between the luminaire conductors and the circuit conductors can be inspected without requiring the disconnection of any part of the wiring.</p> Signup and view all the answers

<p>It must have a main bonding jumper for connecting the grounded conductor</p> Signup and view all the answers

<p>To identify the panel as being suitable for use as service equipment</p> Signup and view all the answers

<p>To indicate the panel's short-circuit current rating based on a listed and labeled assembly or an approved method</p> Signup and view all the answers

<p>To connect the grounded conductor to the industrial control panel equipment ground bus or equipment ground terminal</p> Signup and view all the answers

<p>The SCCR should not exceed the available fault current at the panel.</p> Signup and view all the answers

<p>Multisection industrial control panels shall be bonded together using an equipment bonding jumper.</p> Signup and view all the answers

<p>The phase arrangement should be A, B, C from front to back.</p> Signup and view all the answers

<p>Industrial control panel enclosures shall not be used as junction boxes or raceways for conductors feeding through or tapping off to other equipment.</p> Signup and view all the answers

<p>The distance shall be less than that specified in Table 408.56</p> Signup and view all the answers

<p>To indicate the voltage and current rating, number of phases or dc buses, and manufacturer's name or trademark</p> Signup and view all the answers

<p>125 percent of the full-load current rating of all heating loads plus 125 percent of the full-load current rating of the highest rated motor</p> Signup and view all the answers

<p>Not greater than the sum of the largest rating or setting of the branch-circuit short-circuit and ground-fault protective device provided with the industrial control panel, plus 125 percent of the full-load current rating of all resistance heating loads, plus the sum of the full-load currents of all other motors and apparatus</p> Signup and view all the answers

<p>Either the top or bottom wire-bending space shall be sized in accordance with Table 312.6(A) for a panelboard rated 225 amperes or less and designed to contain not over 42 overcurrent devices.</p> Signup and view all the answers

<p>The top and bottom wire-bending space shall be sized in accordance with Table 312.6(B)(2) for the largest conductor entering or leaving the enclosure.</p> Signup and view all the answers

<p>Either the top or bottom wire-bending space for any panelboard shall be permitted to be sized in accordance with Table 312.6(A) where at least one side wire-bending space is sized in accordance with Table 312.6(B)(2) for the largest conductor to be terminated in any side wire-bending space.</p> Signup and view all the answers

<p>The top and bottom wire-bending space shall be permitted to be sized in accordance with Table 312.6(A) spacings if the panelboard is designed and constructed for wiring using only a single 90-degree bend for each conductor.</p> Signup and view all the answers

<p>Luminaires installed in wet locations shall be marked as suitable for wet locations.</p> Signup and view all the answers

<p>Roofed open porches and carports</p> Signup and view all the answers

<p>Luminaires must be marked as suitable for damp locations.</p> Signup and view all the answers

<p>To prevent interference between the different circuits</p> Signup and view all the answers

<p>Security camera signaling and power-limited wiring</p> Signup and view all the answers

<p>Enclosing the camera conductors within a flexible raceway</p> Signup and view all the answers

<p>20 feet</p> Signup and view all the answers

<p>300 mm (12 in.)</p> Signup and view all the answers

<p>To prevent hot lamps or parts of broken lamps from coming in contact with combustibles</p> Signup and view all the answers

<p>All of the above</p> Signup and view all the answers

<p>To provide clearance for the clothes-hanging rod</p> Signup and view all the answers

<p>Luminaires with a glass or plastic lens</p> Signup and view all the answers

<p>38 mm (11⁄2 in.)</p> Signup and view all the answers

<p>90°C (194°F)</p> Signup and view all the answers

<p>At least 2.5 m (8 ft) above the floor</p> Signup and view all the answers

<p>Exposed conductive surfaces that comply with certain conditions do not need to be connected to an equipment grounding conductor.</p> Signup and view all the answers

<p>All of the above.</p> Signup and view all the answers

<p>All luminaires and equipment must be connected to an equipment grounding conductor.</p> Signup and view all the answers

<p>The total surface area covered by the luminaire canopy must be less than 180 square inches</p> Signup and view all the answers

<p>They must be connected to the branch circuit through flexible cord</p> Signup and view all the answers

<p>They must be securely supported</p> Signup and view all the answers

<p>The pole must have a handhole not less than 50 mm × 100 mm (2 in. × 4 in.)</p> Signup and view all the answers

<p>The luminaire must be identified for use within commercial cooking hoods and installed such that the temperature limits of the materials used are not exceeded.</p> Signup and view all the answers

<p>Conventional enclosed and gasketed-type luminaires located in the path of travel of exhaust products.</p> Signup and view all the answers

<p>No parts of cord-connected luminaires, chain-, cable-, or cord-suspended luminaires, lighting track, pendants, or ceiling-suspended (paddle) fans with luminaire (light kit) shall be located within a zone measured 900 mm (3 ft) horizontally and 2.5 m (8 ft) vertically from the top of the bathtub rim or shower stall threshold.</p> Signup and view all the answers

<p>They must be listed for a wet location.</p> Signup and view all the answers