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Description / Abstract:
Scope and object
This Standard applies to switchboards nominally rated at 600 V or less and intended for use in accordance with the Canadian Electrical Code, Part 1 (CE Code, Part 1), the National Electrical Code (NEC), ANSI/NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE.
In this standard the term switchboard is intended to refer to a dead-front switchboard.
These requirements do not cover the following switchboard types: preset and dimmer control (theater), live front, railway control or electrification; or constructions intended only for receiving motor control center units.
These requirements cover switchboards for use on circuits having available rms symmetrical short-circuit currents of not more than 200 000 A.
This Standard applies to switchboards nominally rated at 600 V or less and intended for use in accordance with the Canadian Electrical Code, Part 1 (CE Code, Part 1), the National Electrical Code (NEC), ANSI/NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE.
In this standard the term switchboard is intended to refer to a dead-front switchboard.
These requirements do not cover the following switchboard types: preset and dimmer control (theater), live front, railway control or electrification; or constructions intended only for receiving motor control center units.
These requirements cover switchboards for use on circuits having available rms symmetrical short-circuit currents of not more than 200 000 A.