If the normal current carrying capacity of a 1.5 sq mm copper cable is 16 amps, what is the permissible current with coarse protection?
If the normal current carrying capacity of a 1.5 sq mm copper cable is 16 amps, what is the permissible current with coarse protection?
Right Answer is:
12.96 amps
SOLUTION
Multiply the normal capacity by the rating factor for coarse protection (0.81).
16 amps * 0.81 = 12.96 amps