Question

question 1 (2 points)
if the conductor material is not specified, the sizes given in the codes shall apply to______conductors. hint: 110
a aluminum
b copper - clad aluminum
c copper
d all of these

Explanation:

In electrical codes, when conductor material is not specified, the default is copper. Copper has better conductivity compared to aluminum and copper - clad aluminum in many standard applications.

Answer:

C. copper