Written Exam for NC II Electrical Installation and Maintenance| 30 Questions with 100% Correct Answers | Verified 2023

These are sheet metal troughs with hinged or removable covers for housing and protecting electrical wires and cables and in which conductors are laid in place these are installed. They are called? - ️️Wire ways Most of the required electrical parameters apply to an incandescent bulb are - ️️Rated power and Rated Voltage When tightening a terminal screw connection with the splice wire, the end of the splice wire should pass around the screw in the same direction as the screw is turned, so that - ️️The wire will not turn off A part providing an appropriate degree protection of equipment against contains external influences and defined degree of protection against contacts with live parts any direction. - ️️Panel Board Why is it necessary to use torque wrench in tightening bolted joints of copper bus bars inside bus ducts and bus ways? - ️️To reduce the resistance in the joint Before adding to or altering an installation, you must ensure that______________? - ️️Safety precautions are followed The size of circuit breaker to be used in 40 Ampere motor full load current is? - ️️Less than 50 AT The selection requirements for circuit breaker are? - ️️Ampacity, Rated power and Rated voltage