Electrician NCCER |354 questions| with correct answers

Which article of the NEC covers grounding? CORRECT ANSWER Article 250 What is a dropout plate? CORRECT ANSWER Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: CORRECT ANSWER 372/575 3-Phase, 4-wire What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? CORRECT ANSWER The motor will automatically blow fuses eight incandescent lighting fixtures are to be installed. Each fixture is 120 volts, with a 200-whatt lamp what is the total connected load? CORRECT ANSWER 13.3 Amps The __________must be grounded in a bussed gutter if use as the main service equipment CORRECT ANSWER Neutral bus bar When wall mounting cable tray, ensure that CORRECT ANSWER The building structure is strong enough to support the tray system The purpose of sealing cable ends when reels of cable are in storage is ______________ CORRECT ANSWER to keep moisture from creeping in