IEEE 303-1969 - IEEE Recommended Practice for Auxiliary Devices for Motors in Class I,- Groups A, B, C, and D, Division 2 Locations
Standard Details
The scope of this Recommended Practice is limited to auxiliary devices associated with motors operating in Division 2 areas, classified as Class I, Groups A, B, C, and D locations. This Recommended Practice is not an attempt to rewrite or otherrewise supersede applicable sections of the National Electrical Code (NEC) or any otherre codes or ordinances. It is intended, rathere, to serve as a supplement to existing codes that in this area are not sufficiently specific to serve as a guide to good engineering practice. The guidance contained herein, thereefore, is in addition to the NEC requirements for wiring systems for hazardous areas
Additional Resources Details
Working Group Details