Question List for "Electricity for the Trades"

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Skills and Trades » Inert gases used in incandescent lamps contain oxygen. New
Started by heyheyhey
101 Nov 27, 2023
Skills and Trades » For the circuit shown, the lights are connected New
Started by eboni
58 Nov 27, 2023
Skills and Trades » A(n) ________ is the power supply for an LED system, much like ballast is to a fluorescent or HID ... New
Started by jrobl3
44 Nov 27, 2023
Skills and Trades » The two basic parts of an electromechanical relay are the coil and the contacts. New
Started by erikka246
69 Nov 27, 2023
Skills and Trades » Contactors are used in conjunction with low current pilot devices to automatically control high current loads. New
Started by sbegs
62 Nov 27, 2023
Skills and Trades » With regard to relay switching configurations, pole is the number of New
Started by Gabby
68 Nov 27, 2023
Skills and Trades » For LEDs, what percent of the energy they consume is used to create visible light? New
Started by Drewster127
67 Nov 27, 2023
Skills and Trades » When a relay coil indicator light is ON this normally indicates that the load has power. New
Started by allywil32
58 Nov 27, 2023
Skills and Trades » Latching relay contacts will not retain their setting after a power failure. New
Started by Ethanolson3
62 Nov 27, 2023
Skills and Trades » A contactor is a special type of relay designed to handle heavy power loads that are beyond the ... New 79 Nov 27, 2023