scope:

This Standard applies to enclosed airbreak switches for use in nonhazardous locations, in accordance with the Ruleosf the Canadian Electrical Code, Part I, that have all current-carrying parts enclosed anda re manually operable by'means of external handles, and with maximum ratings o4f0 00 A or less at 600 V or less.

*Effective Date--July 1, 1994

This Standard does not apply to

(a) snap and tumbler switches:

(b) circuit breakers, moulded case switches, and magnetic only circuit interrupters;

(c) switches having features (other than fuses) intended for the starting and protection of motors;

(d) switches with automatic trips affording protection for equipment where no circuit breakerosr fuses are used;

(e) switches that have enclosed with them fuse terminals fomro re than four branch circuits;*

(f) devices in which the pulling of fuses or the removaolf a pull-out member is designed to accomplish a switching operation:

(g) door-operated switches.

*A meter loop i s not counted as a branch circuit.