Now showing items 241-260 of 346

    • NEMA C79.1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2002
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard describes a system of nomenclature that provides designations for glass bulbs used as the envelopes for electric lamps. This system is shown in customary (inch-based) units and SI (metric) units.
      The ...
    • NEMA C136.37 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard defines interchangeability of and some requirements for solid state light (SSL) source fixtures (also referred to as luminaires and/or LED (light-emitting diode) fixtures). These are used in roadway and ...
    • NEMA IA 2.4 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2005
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: Foreword
      This Standards Publication is a NEMA Authorized Engineering Information adopted from IEC TR 61131- 4, Programmable Controllers—Part 4: User Guidelines. IEC TR 61131-4 has been published ...
    • NEMA EM 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2010
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standards publication contains performance requirements and test methods for evaluating exit sign visibility. Visibility requirements are based on an assumed normal visual acuity and normal color recognition in clear ...
    • NEMA ANSLG C82.9 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2010
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard provides definitions related to specific terms contained in HID and LPS lamps and ballast standards.
      Important Patent Disclaimer
      It is possible that some of the elements of this ...
    • NEMA TS 2 AMD 4 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2012
      Organization : NEMA - National Electrical Manufacturers Association
    • NEMA C78.23 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2003
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard sets forth the physical and electrical characteristics of the group of incandescent lamps that have C, S, T, or similar bulb shapes which are not covered in American National Standards ANSI C78.20-1989 and ...
    • NEMA WD 7 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard publication covers the definition and measurement of field of view and coverage characteristics relevant to the use and application of vacancy and occupancy sensors using individual or any combination of ...
    • NEMA C78.1430 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;1997
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard consolidates the lamps commonly used for slide projectors into a single standard. The lamps contained in this standard are not to be considered as interchangeable, although physically they will all fit the ...
    • NEMA C12.21 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2006
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: The NEMA Smart Meter Package provides the requirements and guidance on electricity metering, watt hour meter sockets, device data tables, meter interfacing to data communication networks and type 2 optical ports. NEMA Smart ...
    • NEMA C82.1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2004
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard is intended to cover ballasts which have rated open-circuit voltages of 2000 volts1 or less and are intended to operate lamps at a frequency of 50 Hz or 60 Hz.2 This comprises ballasts ...
    • NEMA ANSLG C78.40 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard sets forth the physical and electrical requirements for single-ended metal halide lamps operated on 60 Hz ballasts to ensure interchangeability and safety. The data given also provides the basis for the ...
    • NEMA C29.13 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2012
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard covers composite distribution deadend insulators made of a fiberglass-reinforced resin matrix core, polymer material weathersheds, and metal end fittings intended for use on overhead lines for electric power ...
    • NEMA IIC 1 V02 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2012
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: The Digital Imaging and Communications in Security (DICOS) standard, designated as NEMA IIC 1 v02 provides a data interchange protocol and interoperable, extensible file format to facilitate data information interchange ...
    • NEMA IA 2.3 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2005
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This part of IEC 61131 specifies syntax and semantics of programming languages for programmable controllers as defined in part 1 of IEC 61131.
      The functions of program entry, testing, monitoring, operating system, etc., ...
    • NEMA C136.36C 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2010
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard covers the following roadway and area lighting equipment, which may be physically and electrically interchanged to operate within established values:
      a) Locking-type photocontrol, herein referred to as ...
    • NEMA TP 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2002
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard is intended for use as a basis for determining the energy efficiency performance of the equipment covered and to assist in the proper selection of such equipment.
      This standard covers single-phase and ...
    • NEMA MG 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: Assists users in the proper selection and application of motors and generators. Contains practical information concerning performance, safety, testing, construction and manufacture of AC and DC motors and generators.
    • NEMA KS 2 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2013
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This publication covers application information for distribution equipment switches that are:
      a) Rated at not more than 600V and 6000A with or without a horse-power rating
      b) With or without provision for fuses ...
    • NEMA OS 2 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2008
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This Standards Publication covers those general-purpose nonmetallic outlet boxes, device boxes, covers, and supports that are widely used by the consumer. These items (covered by UL 514C) are designed to facilitate the ...