The Rosslyn, Virginia-based National Electrical Manufacturers Association (NEMA) recently issued revised guidelines for various types of cable installation in conformance with 2017 nationwide code changes.
NEMA RV 4-2016 Application Guidelines for Service-Entrance Cable and NEMA RV 1-2016 Application and Installation Guidelines for Armored Cable and Metal-Clad Cable were issued in order to comply with the 2017 National Electrical Code (NEC). The revisions convey practical knowledge on everyday usage and practices recommended for the building wire industry, according to a press release.
The RV-4 set of rules refers to service-entrance cable (Type SE), while the RV-1 covers armored (AC) and metal-clad (MC) cable.
"NEMA RV 4 reflects requirements found in the most recent edition of the NEC and in state-of-the-art cable application and installation practices," Christel Hunter, who serves as director of codes and standards for Cerro Wire LLC, said in the release.
Hunter led the Building Wire and Cable Technical Committee Task Group that prepared the new edition of RV 4.
Kevin Porter, supervisor of codes and standards at Encore Wire, chaired the Building Wire and Cable Task Group in charge of preparing updates for RV 1, recommending that installers and code overseers download a copy of the new RV 1 “to have the latest industry guidance on the proper use and installation of AC and MC cables."
Alerts Sign-up