Produced by ICEA Activity Division Alive Accumulation 440, ANSI/NEMA WC 51-2009/ICEA P-54-440 Accepted provides ampacity ratings for 600-15,000 V solid dielectric cables installed in cable trays, archival for distinct aqueduct cables, triplexed assemblies of distinct aqueduct cables, and 3-conductor cables accumulation all-embracing jacket. Alteration factors are provided to acclimatize archival ethics for ambient and operating temperatures, cable construction, tray covers, and about-face of cable loading.
ROSSLYN, Va., June 2, 2009-The National Electrical Manufacturers Affiliation (NEMA) has appear ANSI/NEMA WC 51-2009/ICEA P-54-440 Ampacities of Cables Installed in Cable Trays. The accepted was produced by Insulated Cable Engineers Affiliation (ICEA) Activity Division Alive Accumulation 440 and was aftermost revised in 2003.
WC 51/P-54-440 provides ampacity ratings for 600-15,000-volt solid dielectric cables installed in cable trays, archival for distinct aqueduct cables, triplexed assemblies of distinct aqueduct cables, and three-conductor cables accumulation an all-embracing jacket.
The afterlight includes adapted ethics in Table 5-4 and beat changes for accuracy throughout the document. As in the antecedent edition, alteration factors are provided to acclimatize the archival ethics for ambient and operating temperatures, cable construction, tray covers, and about-face of the cable loading.
“With these latest revisions, ANSI/NEMA WC 51/P-54-440 will be alike added accessible to the electrical account industry,” said E. J. Bartolucci, a affiliate of the alive accumulation that revised the standard. “It is an informative, easy-to-reference ability for the circuitous assignment of establishing ampacity ratings of cables installed in cable trays.”
The capacity and ambit of ANSI/NEMA WC 51-2009/ICEA P-54-440 may be viewed, or a hardcopy or cyberbanking archetype purchased for $88, by visiting www.nema.org/stds/wc51.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 affiliation of electrical and medical imaging accessories manufacturers. Founded in 1926 and headquartered a Washington, D.C., its about 450 affiliate companies accomplish articles acclimated in the generation, manual and distribution, control, and end use of electricity. These articles are acclimated in utility, industrial, commercial, institutional, and residential applications. The association’s Medical Imaging & Technology Alliance (MITA) Division represents manufacturers of cutting-edge medical analytic imaging accessories including MRI, CT, x-ray, and ultrasound products. Worldwide sales of NEMA-scope articles beat $120 billion. In accession to its address in Rosslyn, Virginia, NEMA additionally has offices in Beijing and Mexico City.
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