$58.00 $116.00
  • Revision:1978 Edition, 1978
  • Published Date:January 2012
  • Status:Active, Most Current
  • Document Language:English
  • Published By:National Electrical Manufacturers Association (NEMA)
  • Page Count:27
  • ANSI Approved:Yes
  • DoD Adopted:No

  • This standard covers the class designations, voltage andfrequency ratings, scale values, demand intervals, multiplyingconstants, mounting dimensions, terminal arrangements, and otherfeatures of general-service-type thermal watt demand meters andwatthour-thermal watt demand meters. Although this standardspecifically refers to watt demand meters, it is suggested thatampere and volt-ampere demand meters follow the applicablerequirements so far as practicable.