IEC YEAR 2 FINAL EXAM STUDY WITH CORRECT

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IEC YEAR 2 FINAL EXAM STUDY WITH CORRECT

ANSWERS 2024 LATEST UPDATE.

Anex _____ in the NEC contains examples of load calculations for dwellings. - ANSWER✅✅D Which of the installations listed below would be a wet location?-a receptacle installed on the exterior wall of a building

• a run of PVC conduit installed on a fishing pier

-a luminaire installed on a parking lot pole - ANSWER✅✅all of these Which of the following is an example of a bare conductor?

• a 12 awg THHN copper wire
• the bare ground wire contained within romex (NM cable) sheathing

-the bare aluminum wire twisted with triplex - ANSWER✅✅the bare aluminum wire twisted with triplex Which of the following statements is TRUE for an individual (or dedicated) branch circuit that is run in a conduit with other circuits? - ANSWER✅✅it can share a neutral with another circuit Equipment designed to open circuits under ____ shall have an interrupting rating not less than the nominal circuit voltage and the current that is available at the line side of the equipment.

• short circuit

-overload -ground fault - ANSWER✅✅all of these 1 / 2

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The NEC permits the insulation for an ungrounded conductor to be _____ in color.

• orange

-black -brown -yellow - ANSWER✅✅any of these Which of the following locations requires that a three-way switch be installed at the lower landing and another three-way switch be installed at the upper landing to control the stair way lighting between the 1st and 2nd floors? - ANSWER✅✅a townhome A 175- amp breaker protects a feeder that originates in a 277/480-volt, 3-ph, 4 wire service panel in an office building. Which of the following conductors is the smallest size permitted for the feeder ? - ANSWER✅✅2/0 A 200-amp breaker protects a feeder that originates in a 120/240 volt, 3 ph, 4 wire service panel in a movie theatre. Which of the following THHN/THWN conductors is the smallest size permitted for the feeder ? - ANSWER✅✅3/0 The maximum number of 3-pole circuit breakers used as service disconnects permitted in a 3 phase panelboard is ______. - ANSWER✅✅6 Which of the following are characteristics of THHN/THWN insulation?

• heat-resistant
• a nylon outer covering or some equivalent
• flame retardant

-moisture-resistant - ANSWER✅✅all of these

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