Multiple choice

1. The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway that has 19 other wires is

A. 15 A. 

B. 18 A. 

C. 25 A. 

D. 30 A. 

2. The diameter of a No. 6 wire is larger than a 

A. 250 kcmil cable. 

B. No. 12 wire. 

C. No. 4 wire. 

D. No. 2/0 wire. 

3. Which one of the following types of wire can be used with the pressure terminals of a duplex receptacle?

A. Solid aluminum 

B. Stranded aluminum 

C. Solid copper 

D. Stranded copper 

4. A cable with a 0.6-inch diameter should have a minimum bending radius of 

A. 0.6 in. 

B. 1.2 in. 

C. 3.0 in. 

D. 6.0 in.