1. A conductor that's described as a 750 MCM wire has an area of 

A. 750 cmils. 

B. 750 kcmils. 

C. 750 in2. 

D. 750,000 kcmils. 

 

2. What size copper wire should be used for a 125 ft, 15 A branch circuit if a maximum voltage drop of 3.2 V is allowed?

A. No. 14 

B. No. 12 

C. No. 10 

D. No. 8 

 

3. The calculation used to determine amperage of a conductor based on the total number of conductors in a conduit is called

A. derating. 

B. voltage drop. 

C. conduit fill. 

D. conductor fill. 

 

4. Ideally, NM or armored cable should be installed in a wall stud at least how far back from the front edge of the stud?

A. 3/4 in. 

B. 1 in. 

C. 11/4 in. 

D. 11/2 in.  

 

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