The electrical NCCER test | Questions and verified Solutions 2024 Update

The electrical NCCER test | Questions and verified Solutions 2024 Update Which Article of the NEC covers grounding? - Answer -article 250 Which of the following is a 90 degree, explosion proof fitting? - Answer -GUAL What is a dropout plate? - Answer -Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States EXCEPT: - Answer -372/575 3- PHASE, 4-WIRE What does a GFCI breaker do? - Answer -Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? - Answer -The motor will automatically blow fuses Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - Answer -13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - Answer -Neutral busbar When wall mounting cable tray, ensure that - 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 - Answer -To keep moisture from creeping in The outer covering on liguid-tight flexible metal conduit is used for - Answer -A moisture seal A good electrical connection should - Answer -Be mechanically and electrically secure The symbol normally used for duplex - Answer -Circle with two parallel lines drawb through it Disconnecting means are covered in - Answer -NEC Section 110-22 In relation to switches, the term throw refers to the - Answer -Number of internal operations that a switch can perform A 3-phase, 4-wire, 480v service requires ______ current transformer(s) - A