C -10 SAFETY AND MISC
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C -10 SAFETY AND MISC

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Questions and Answers

What type of tool is used to remove insulation from a conductor?

  • Wire strippers (correct)
  • Pliers
  • Hammer
  • Solder

    • General-care areas, found in hospitals, require a minimum of _____ receptacles at each patient bed.

  • 4
  • 6
  • 8 (correct)
  • 10

    • Where are ground fault circuit interrupters installed?

  • Where are ground fault circuit interrupters installed?
  • Water closets only
  • Attics above water heaters
  • Wet locations (correct)

    • Three-wire cords contain two current-carrying conductors and one:

    <p>Grounding conductor</p> Signup and view all the answers

    An employee that locks/tags machines and is trained in recognizing hazardous energy sources is called:

    <p>Authorized employee</p> Signup and view all the answers

    Receptacles in child care facilities, dormitories, preschools and elementary facilities should:

    <p>Be tamper-resistant</p> Signup and view all the answers

    What is NOT an acceptable use for a flexible cord?

    <p>Enclosed in walls, ceilings, and floor joists</p> Signup and view all the answers

    A 240-volt, 20-amp circuit is using two 12 AWG conductors. Calculate the maximum continuous load in amperes.

    <p>16 amps</p> Signup and view all the answers

    Which of the following is acceptable wiring methods for bathrooms?

    <p>None of the above</p> Signup and view all the answers

    Which of the following is the largest conductor size?

    <p>0 AWG</p> Signup and view all the answers

    What is the depth a direct burial conductor or cable can be installed?

    <p>24 inches</p> Signup and view all the answers

    Why are tags used during lockout and tagout procedures?

    <p>To identify plainly the equipment or circuits being worked on</p> Signup and view all the answers

    What is a “voltage sniffer”?

    <p>A tool used to detect voltage on a circuit</p> Signup and view all the answers

    What is “available fault current”?

    <p>Maximum current available if a short circuit occurs</p> Signup and view all the answers

    Who supplies power to a building?

    <p>Utility Company</p> Signup and view all the answers

    Which of the following wires is the hot wire?

    <p>Black/Red</p> Signup and view all the answers

    Power tools must ________ be carried by the cord or hose.

    <p>Never</p> Signup and view all the answers

    What must you do if wires are protruding from your miter saw?

    <p>Use electrical tape if equipment is deemed repairable</p> Signup and view all the answers

    Which of the following power tools must be equipped with a constant-pressure switch or control that shuts off the power when pressure is released?

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

    How often should EMT (Electrical Metallic Tubing) be supported?

    <p>Every 10 feet of run</p> Signup and view all the answers

    At what point is a load deemed continuous?

    <p>3 hours or more</p> Signup and view all the answers

    If you’re hanging a luminaire in a sugar mill above the production area, what should you do before leaving?

    <p>Check to make sure all your tools are accounted for</p> Signup and view all the answers

    What is defined as a bare conductor?

    <p>A wire that has no insulation or covering</p> Signup and view all the answers

    What is the major difference between a plug fuse and a cartridge fuse?

    <p>Voltage use</p> Signup and view all the answers

    What is overcurrent?

    <p>The condition where the current in amperes is greater than the rated current of the equipment or conductors, resulting from an overload, short circuit, or ground fault</p> Signup and view all the answers

    It is highly recommended that all tools be inspected:

    <p>Before each use</p> Signup and view all the answers

    Which of the following items is considered to be energized?

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

    What is the correct safety protocol for flooded battery maintenance?

    <p>Use goggles, aprons, and rubber gloves</p> Signup and view all the answers

    All damaged portable electric tools must be removed from site or:

    <p>Marked “Do Not Use”</p> Signup and view all the answers

    How would a contractor wire up a circuit in order to have the voltage add up to a desired value?

    <p>In series</p> Signup and view all the answers

    An employee who is not qualified to lock or tag equipment, however this person uses or operates a machine or piece of electrical equipment is better known as:

    <p>Affected employee</p> Signup and view all the answers

    When do you assume a wire is live before starting the work?

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

    A bathroom convenience outlet should be installed:

    <p>3 to 5 feet above the floor and near a mirror</p> Signup and view all the answers

    What kind of current is required for conductors serving a 120/240-volt single-phase residential electric service with a total load of 60 kVA?

    <p>250 Amps</p> Signup and view all the answers

    What is a drip loop as it relates to electricity?

    <p>When a service conductor enters a building and is looped to help keep moisture out of the service head</p> Signup and view all the answers

    During a lockout/tagout procedure, who is able to remove a key-lock?

    <p>Person who has placed the lock</p> Signup and view all the answers

    Wires that are protruding from an outlet should be:

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

    Rigid Metal Conduit (RMC) comes in many sizes, what is the largest conduit size used in electrical construction?

    <p>4 inches</p> Signup and view all the answers

    A house has 3 hallways; 8 feet, 12 feet and 16 feet long. How many total receptacles are necessary for these hallways?

    <p>2</p> Signup and view all the answers

    If electrical equipment is prone to physical damage, what must a contractor provide?

    <p>Enclosures or guards</p> Signup and view all the answers

    What does it mean when an electrical circuit has a ground-fault?

    <p>The circuit has an unintentional path that completes the circuit without reaching the load</p> Signup and view all the answers

    Which of the following conditions indicates an open circuit?

    <p>No voltage reading on the multimeter</p> Signup and view all the answers

    How should you dispose of batteries?

    <p>Take them to a Household Hazardous Waste disposal facility</p> Signup and view all the answers

    Which of the following grounding methods is acceptable when grounding an electrode?

    <p>A single metal underground water pipe in conjunction with a grounding rod</p> Signup and view all the answers

    What is the maximum distance that outlets must be spaced for kitchen countertops?

    <p>4 feet</p> Signup and view all the answers

    In electrical installation what is another term for resistance?

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

    A receptacle tester allows a person to test the:

    <p>Functionality of a receptacle</p> Signup and view all the answers

    Which of the following wires is the Ground wire?

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

    Tags must be:

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

    At which voltage amount must WARNING HIGH VOLTAGE sign be displayed?

    <p>600v</p> Signup and view all the answers

    What is the smallest size THW copper conductor that can be used on a 30-amp branch circuit?

    <p>No. 10 AWG</p> Signup and view all the answers

    Your client asks you to build a 2-room addition to the house and run an outlet on each wall. If the addition uses 2 × 4 for its loadbearing studs, what is the maximum notch that can be made in the studs?

    <p>0.875 inches</p> Signup and view all the answers

    What is the smallest fixture wire allowed in a home?

    <p>No. 18 AWG</p> Signup and view all the answers

    What must be done if you find exposed live wires above 600 volts in a building?

    <p>Restrict access with a lock</p> Signup and view all the answers

    According to OSHA, what voltage do you need to wear protective gloves?

    <p>50V</p> Signup and view all the answers

    Double-insulated tools provide protection against:

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

    Who is allowed to remove the lock during and after inspection of a piece of machinery or circuit?

    <p>Person placing lock</p> Signup and view all the answers

    When a contractor installs a ceiling fan, mounting it directly to the outlet box, what is the maximum permitted weight in this situation?

    <p>70 pounds</p> Signup and view all the answers

    What happens to current (amps) in a parallel circuit?

    <p>Add up</p> Signup and view all the answers

    Of the following, what should the contractor do if the GFCI is constantly tripping?

    <p>Unplug the power utilizing device</p> Signup and view all the answers

    Which of the following is not an energy-isolating device?

    <p>Push button</p> Signup and view all the answers

    Which of the following is the smallest Romex cable?

    <p>14 Gauge</p> Signup and view all the answers

    What is the minimum depth rigid metal conduit can be installed under residential driveways?

    <p>18 inches</p> Signup and view all the answers

    Which of the following wires is the neutral wire?

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

    All maintenance personnel must be issued a suitable________ that has a worker’s name and identification on it.

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

    When should power tools be disconnected?

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

    When entering a confined space which is oxygen deficient, what PPE must be used?

    <p>Mechanical ventilation</p> Signup and view all the answers

    How often are fault current labels updated?

    <p>Whenever there are changes that affect the available fault current</p> Signup and view all the answers

    Which of the following options can be utilized if a 2-wire non-grounded receptacle needs to be replaced?

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

    What should an electrician do if they are working a fair distance away from the disconnecting point?

    <p>Use an appropriate lockout/tagout device</p> Signup and view all the answers

    What kind of personal protective equipment is necessary to handle live wires?

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

    When wiring a house, what type of branch circuit will supply outlets for lighting and appliances?

    <p>General purpose branch circuit</p> Signup and view all the answers

    When wiring a house, what is the rated voltage to ground if the circuit breaker has a slash rating of 120/240 volts?

    <p>120-V to ground</p> Signup and view all the answers

    Which of the following classifies as a lockout device?

    <p>Key lock</p> Signup and view all the answers

    What is the minimum distance a smoke detector can be from a bathroom door?

    <p>3 feet</p> Signup and view all the answers

    An enclosed channel designed for holding wires or cables is called:

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

    How should you dispose of fluorescent lighting?

    <p>Recycle or take to a universal waste handler</p> Signup and view all the answers

    What are the three basic parts to a simple transformer?

    <p>Primary windings, secondary windings, and a core</p> Signup and view all the answers

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