Electrical Code…
A protective device for limiting surge voltages by discharging or bypassing surge current; it also prevents continued flow of follow current while remaining capable of repeating these functions.
(National Electrical Code® 100-1)
Building Trades Resource
Electrical Code…
A protective device for limiting surge voltages by discharging or bypassing surge current; it also prevents continued flow of follow current while remaining capable of repeating these functions.
(National Electrical Code® 100-1)