NEMA publishes RV1 and RV2 cable standards
By Anthony Capkun
The National Electrical Manufacturers Association (NEMA) has published RV 1 “Application and Installation Guidelines for Armoured Cable (AC) and Metal-Clad (MC) Cable” and RV 2 “Application and Installation Guidelines for Non-metallic-Sheathed (NM-B) Cable and Underground Feeder and Branch (UF-B) Circuit Cable”.
Both standards have been updated to reflect changes in the National
Electrical Code (U.S.). Last revised in 2004, RV 1 contains information
on the latest installation, application and construction requirements
for types MC and AC cables. RV 2, last revised in 2005, focuses on
types NM-B and UF-B cables.
“The information provided will be useful to designers, specifiers,
contractors, electricians, apprentice programs and to anyone that wants
to be sure that the proper armoured cable product is specified for the
proper application, and that the cables are properly installed to
ensure a safe and trouble-free electrical installation,” said George
Straniero, chair of the committee that revised RV 1.
Dave Mercier, chair of the committee that revised RV 2, explained these
application and installation guidelines “offer practical information on
correct usage and industry-recommended practices for the installation
of Type NM-B and UF-B cables”.
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