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NEMA Publishes NEMA PB 1 Panelboards and NEMA PB 2 Deadfront Distribution Switchboards


01/19/2012 1:00PM

ROSSLYN, Va.,—The National Electrical Manufacturers Association (NEMA) has published NEMA PB 1 Panelboards and NEMA PB 2 Deadfront Distribution Switchboards.

The standards publication PB 1 discusses single panelboards or groups of panel units suitable for assembly in the form of single panelboards. These units are used in the distribution of electricity for light, heat, and power at 600 volts and less with 1600 ampere mains and less or 1200 ampere branch circuits and less.

PB 2 formalizes floor-mounted deadfront switchboards rated 6000 amperes or less and 600 volts or less. These units are used in the distribution of electricity for light, heat, and power.

The contents and scope of NEMA PB 1 AND NEMA PB 2 are available for download at no charge at http://www.nema.org/stds/pb1.cfm and http://www.nema.org/stds/pb2.cfm. Hardcopies of NEMA PB 1 and NEMA PB 2 may be purchased for $72 each by visiting global.ihs.com or by contacting IHS by phone at 800-854-7179 (within the U.S.), or 303-397-7956 (international).

NEMA is the association of electrical equipment manufacturers, founded in 1926 and headquartered in Arlington, Virginia. Its member companies manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging systems. Worldwide annual sales of NEMA-scope products exceed $120 billion.



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