Electrical Code…
A qualifying term indicating that the circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range.
(National Electrical Code® 100-1)
Building Trades Resource
Electrical Code…
A qualifying term indicating that the circuit breaker can be set to trip at various values of current, time, or both, within a predetermined range.
(National Electrical Code® 100-1)