The National Electrical Code (NEC) states that all exposed non-current-carrying metal parts of a
low-voltage system mustbe double insulated or:
A.
clean
B.
covered
C.
painted
D.
grounded
The National Electrical Code (NEC) states that all exposed non-current-carrying metal parts of a low-voltage system mustbe double insulated or:
The National Electrical Code (NEC) states that all exposed non-current-carrying metal parts of a
low-voltage system mustbe double insulated or: