Now showing items 261-280 of 346

    • NEMA UD 3 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2009
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This voluntary standard applies to diagnostic ultrasound equipment that is intended for use on humans, and is capable of exceeding a thermal index of 1.0, or a mechanical index of 1.0.
    • NEMA NTCIP 1208 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2005
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: The communications between an ITS Management Center or portable computer and a Closed Circuit Television (CCTV) Switch is accomplished by using the NTCIP Application Layer services to convey requests to access or modify ...
    • NEMA C29.8 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2012
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard covers outdoor high-voltage cap-and-pin type apparatus insulators made of wet-process porcelain and used in the transmission and distribution of electrical energy.
    • NEMA WC 61 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2005
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard is intended to provide a reliable surface transfer impedance test method for coaxial cables and shielded multiconductor cables over the frequency range from DC to 100 MHz.
    • NEMA RV 2 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: Foreword
      These application and installation guidelines offer practical information on correct usage and industry recommended practices for the installation of Type NM-B nonmetallic-sheathed cable and ...
    • NEMA TCB 2 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2012
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This guideline covers recommendations for the selection, handling and installation of underground single bore rigid nonmetallic conduit (RNC) or raceway for power, lighting, signaling, and communications applications. For ...
    • NEMA SB 11 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This manual is developed by the Signaling Protection and Communication Section. It provides technical information on basic fire alarm systems with a focus on early-warning smoke detection devices. This document covers smoke ...
    • NEMA ICS 3.1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2009
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: These instructions apply to AC medium-voltage contactors and Class E magnetic controllers rated 1501-7200 volts, which are installed in accordance with the National Electrical Code (NEC), NFPA 70 and the manufacturers' ...
    • NEMA LL 9 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This Standards Publication provides recommendations for dimmable T8 fluorescent lighting systems capable of being dimmed between approximately 100% and 35% of total light output. A T8 fluorescent lamp dimming system may ...
    • NEMA PB 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standards publication covers single panelboards or groups of panel units suitable for assembly in the form of single panelboards, including buses, and with or without switches or automatic overload protective devices ...
    • NEMA C82.77 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2002
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard specifies harmonic limits and methods of measurement for lighting equipment. This standard covers all types of lighting equipment that is used for general illumination (typically found in residential, commercial, ...
    • NEMA Z535.1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard sets forth the technical definitions, color standards, and color tolerances for safety colors.
      Purpose
      Intent
      The intent of ANSI Z535.1 is to establish a standard ...
    • NEMA ICS 6 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2001
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: The standards in this publication apply to enclosures used for all enclosed products within the scope of the Industrial Automation Control Products and Systems Section.
    • NEMA OS 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2008
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This Standards Publication covers those general-purpose metal outlet boxes, device boxes, covers, and supports that are widely used by the consumer. These items (covered by UL 514A) are designed to facilitate the pulling ...
    • NEMA LI 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2011
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: The Scope of this standards publication includes information concerning the manufacture, testing, and performance of laminated thermosetting products in the form of sheets, rods, and tubes.
      A new format for the Industrial ...
    • NEMA UD 2 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2009
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard covers all active ultrasound apparatus designed for medical diagnostic use, including ultrasonic echo ranging devices (both manual and automatically scanned), through-transmission devices, ...
    • NEMA 250 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2008
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard covers enclosures for electrical equipment rated not more than 1000 Volts and intended to be installed and used as follows:
      a. Non-hazardous locations
      1. Enclosures for indoor locations, Types 1, 2, ...
    • NEMA ICS 14 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2010
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This Application Guide is intended to provide general guidelines for the proper application of fire pump controllers. The emphasis of these guidelines is to stress those considerations specific to fire pump installations. ...
    • NEMA LE 5B 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;1998
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: Provides standardized tests to evaluate energy efficiency of HID industrial luminaires. Provides a procedure for determining the luminaire efficacy ratings under laboratory test conditions, including visual tasks involved, ...
    • NEMA WD 1 

      Type: standard
      Source: NEMA - National Electrical Manufacturers Association:;2010
      Organization : NEMA - National Electrical Manufacturers Association
      Abstract: This standard publication contains color references for AC switches, plugs and cord connectors, receptacles, and other related wiring devices.
      This standard does not cover dimensional requirements affecting wiring ...