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โ† SetsElectrical Installation and Maintenance NC II โ€” Set 2
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Electrical Installation and Maintenance NC II Practice Questions โ€” Set 2

10 free Electrical Installation and Maintenance NC II reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ€” kasama na ang paliwanag. Set 2 of 5.

11

What is the proper height for installing light switches?

12

What is a short circuit?

13

What is an open circuit?

14

What causes electrical fires?

15

What is the purpose of electrical tape?

16

What is a three-way switch used for?

17

What voltage should you test for before working on circuits?

18

What is the purpose of a multimeter?

19

What is the danger of aluminum wiring?

20

What is polarization in electrical outlets?