(ROSSLYN, Va.)—The National Electrical Manufacturers Association (NEMA) has published ICS 4-2010 Application Guideline for Terminal Blocks. This guideline, last published in 2005, was produced by NEMA’s Industrial Automation Control Products and Systems Section.
ICS 4 applies to one-piece, or modular, or two-piece terminal blocks with screw-type, screwless-type, or insulation displacement clamping units intended for industrial use and fixed to a support or to a printed circuit board to provide electrical and mechanical connection for certain round, solid, or stranded conductors.
In this revision, the document was converted to an application guideline, since ICS 4-2005 duplicated tests found in UL 1059, UL 486E, and the IEC 60947-7-X series of standards. The publication provides practical information concerning ratings, construction, test, performance, and manufacture of industrial control equipment.
ICS 4 may be downloaded at no charge, or a hardcopy purchased for $76, by visiting www.nema.org/stds/ics4.cfm, or by contacting IHS at 800-854-7179 (within the U.S.), 303-397-7956 (international), 303-397-2740 (fax), or global.ihs.com.
NEMA is the association of electrical and medical imaging equipment manufacturers. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end use of electricity. These products are used in utility, industrial, commercial, institutional, and residential applications. The association’s Medical Imaging & Technology Alliance (MITA) Division represents manufacturers of cutting-edge medical diagnostic imaging equipment including MRI, CT, x-ray, and ultrasound products. Worldwide sales of NEMA-scope products exceed $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing and Mexico City.
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