Encompasses all ratings for outdoor circuit breakers above 1,000 V for ac services. Applies to attachments, auxiliaries and spare parts for circuit breakers and attachments; and recommended installation, operation, and maintenance procedures.
Encompasses all ratings for outdoor circuit breakers above 1,000 V for ac services. Applies to attachments, auxiliaries and spare parts for circuit breakers and attachments; and recommended installation, operation, and maintenance procedures.