Electrical Code…
The circuit of a control apparatus or system that carries the electric signals directing the performance of the controller but does not carry the main power current.
(National Electrical Code® 100-1)
Building Trades Resource
Building Trades Resource
Electrical Code…
The circuit of a control apparatus or system that carries the electric signals directing the performance of the controller but does not carry the main power current.
(National Electrical Code® 100-1)