Electrical Trade Sizes and Regulations Quiz
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Questions and Answers

What is the maximum electrical trade size of intermediate conduit?

  • 50 mm
  • 200 mm
  • 100 mm (correct)
  • 300 mm
  • What type of permit is required before starting any electrical installation work?

  • Construction permit
  • Electrical permit (correct)
  • Building permit
  • Plumbing permit
  • What is the purpose of the PEC?

  • For mandatory applications by government bodies (correct)
  • For electrical installation in residential areas
  • For electrical installation in commercial areas
  • For voluntary applications by government bodies
  • What is the minimum bending space required for three 150 mm2 wires connected to one terminal entering a cabinet or switchboard?

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

    What is the minimum clearance required between bare current-carrying metal parts and any metal surface of an auxiliary gutter?

    <p>26 mm</p> Signup and view all the answers

    Which of the following electrical conductors has the highest resistance?

    <p>2.0 mm2</p> Signup and view all the answers

    A value assigned to a circuit or system for the purpose of conveniently designating its voltage class is what?

    <p>Nominal voltage</p> Signup and view all the answers

    What type of AC motor is used for applications such as an electric clock motor?

    <p>Synchronous motor</p> Signup and view all the answers

    What is the resistance that occurs at the point of contact between two conductors or a conductor and another surface?

    <p>Contact resistance</p> Signup and view all the answers

    Which of the following fittings are classified as a conduit body?

    <p>LB and FS fittings</p> Signup and view all the answers

    What type of raceways are not suitable for enclosing conductors that are subject to physical damage?

    <p>PVC conduit</p> Signup and view all the answers

    What determines the voltage class of a circuit or system?

    <p>Nominal voltage</p> Signup and view all the answers

    What is a dwelling unit defined as?

    <p>One or more rooms used as a housekeeping unit and having permanent cooking and sanitation provisions</p> Signup and view all the answers

    What is meant by an enclosed space?

    <p>A space surrounded by a wall, fence, or housing or case</p> Signup and view all the answers

    What is the assumed material of conductors when not specified in the Code?

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

    What is the term for the voltage lost across a portion of a circuit?

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

    What type of fitting is an LB or T fitting?

    <p>A conduit body</p> Signup and view all the answers

    What is the purpose of a conduit body?

    <p>To provide a connection point for conduit</p> Signup and view all the answers

    What is the primary purpose of using a stud connector?

    <p>To make it difficult to tamper with the connection</p> Signup and view all the answers

    What is the recommended tool for cutting rigid conduit?

    <p>A 3-wheel pipe cutter</p> Signup and view all the answers

    Which instrument would be least effective in indicating that a generator may overheat due to overloading?

    <p>A stator thermocouple</p> Signup and view all the answers

    What is the term for two switches in one box under one face-plate?

    <p>A two-gang switch</p> Signup and view all the answers

    What is a conduit body?

    <p>A cast fitting such as an FD or FS box</p> Signup and view all the answers

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