According to Section 310.15(B)(7) in the NEC®, the minimum conductor size for a 300-ampere residential service entrance is _________ Cu or _________ Al.
a. 2 AWG; 1/0 AWG
b. 2/0 AWG; 4/0 AWG
c. 250 kcmil; 350 kcmil
d. 400 kcmil; 600 kcmil
c. 250 kcmil; 350 kcmil
Trades & Technology
You might also like to view...
Fixed ladders must be equipped with safety devices if the total length of the climb equals or exceeds _____.
a. 8' b. 16' c. 24' d. 32'
Trades & Technology
The common house agama's skin becomes ____________________ as it absorbs the sun's rays
Fill in the blank(s) with correct word
Trades & Technology
The young of sugar gliders are called _____
a. kits b. cubs c. joeys d. pups
Trades & Technology
With respect to the calculations of current as compared to the previous editions of the Code, it is permitted to round fractions down to the next lower whole ampere if less than ___________________ ampere(s).
Fill in the blank(s) with the appropriate word(s).
Trades & Technology