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NEMA Publishes NEMA SG 11-2013 Guide for Handling and Maintenance of Alternating Current Outdoor High-Voltage Circuit Breakers


11/18/2013 11:00AM

The National Electrical Manufacturers Association (NEMA) published NEMA SG 11-2013 Guide for Handling and Maintenance of Alternating Current Outdoor High-Voltage Circuit Breakers.

This document provides information on receiving, storage, handling, installation, inspection, and maintenance of alternating current outdoor high-voltage circuit breakers. The requirements of ANSI/NFPA 70B [A4], ANSI/NFPA 70E [A5], ANSI C2 [A1], and applicable OSHA regulations shall be adhered to in connection with any maintenance or operation of high-voltage circuit breakers.

Before performing any work in the vicinity of high-voltage circuit breakers, all conductors shall be first tested to verify the absence of voltage and then grounded using appropriate test equipment and adequate grounding equipment conforming to ASTM F-855 [A7], using appropriate personal protective equipment. Any conductors which are not adequately grounded shall be treated as being energized.

NEMA SG 11-2013 Guide for Handling and Maintenance of Alternating Current Outdoor High-Voltage Circuit Breakers may be downloaded at no cost on the NEMA website or purchased in hardcopy for $66.

NEMA is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia. Nearly 400 members strong, its companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical  imaging and radiation therapy systems. Total U.S. shipments for electroindustry products exceed $100 billion annually.

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