ROSSLYN, Va.—The National Electrical Manufacturers Association (NEMA) reaffirmed ANSI/NEMA WC 51/ICEA P-54-440 Ampacities of Cables Installed in Cable Trays. The standard covers the ampacity ratings for 600 to 15,000V solid dielectric cables installed in cable trays. Ampacity ratings are tabulated for single-conductor cables, triplexed assemblies of single-conductor cables and three-conductor cables incorporating an overall jacket.
Originally developed in 2009, this standard is intended primarily for use by the utility industry. It is not intended for use where compliance with the National Electrical Code® or other regulations is mandatory.
This standards publication for Ampacities of Cables Installed in Cable Trays was developed by the Insulated Cable Engineers Association, Inc. and approved by the National Electrical Manufacturers Association.
ANSI/NEMA WC 51/ICEA P-54-440-2009 (R2014) may be purchased in hard copy or downloaded for $115 on the NEMA website.
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