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NEMA: National Electrical Manufacturers Association

NEMA, the National Electrical Manufacturers Association, is a nonprofit organization that develops and publishes over 500 standards regarding the production and manufacturing processes for technologies involving the generation, transmission and use of electricity. Headquartered near Washington, D.C., United States, NEMA has approximately 450 member companies and, through them, NEMA standards affect over $120 billion dollars worth of United States domestic production. NEMA also serves as the administrator for the U.S. TAGs (United States Technical Advisory Group) to ISO/TC 145 (International Organization for Standardization/Technical Committee) and to some of its subcommittees. Standards from NEMA are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

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ANSI/NEMA Z535 SET

Safety color code - Complete set - ANSI/NEMA Z535.1, ANSI/NEMA Z535.2, ANSI/NEMA Z535.3, ANSI/NEMA Z535.4, ANSI/NEMA Z535.5, ANSI/NEMA Z535.6 and ANSI/NEMA Z535-2011

Includes all six parts and color chart:

  • ANSI/NEMA Z535-2011,
  • ANSI Z535.1-2017,
  • ANSI/NEMA Z535.2-2011 (R2017),
  • ANSI Z535.3-2011 (R2017),
  • ANSI Z535.4-2011 (R2017),
  • ANSI Z535.5-2011 (R2017),
  • ANSI Z535.6-2011 (R2017)




ANSI/NEMA Z535.6-2011

Product safety information in product manuals, instructions, and other collateral materials

Z535.6 sets forth requirements for the design and location of product safety messages in collateral materials for a wide variety of products. (Incorporates corrections and changes.)


ANSI/NEMA Z535.4-2011

Product safety signs and labels

Delivers specifications for design, application, use, and placement of safety signs and labels on a wide variety of products. A new type of product safety sign, the "safety instruction sign," was added to join the existing types of signs, hazard alerting signs, and safety notice signs, which were also more clearly defined and named in this edition. The definitions for "accident," "harm," and "incident" were refined to more clearly delineate a separation between physical injury and other safety-related issues (e.g., property damage). It was revised to correspond with ANSI Z535.2, ANSI Z535.5, ANSI Z535.6.


ANSI Z535.1-2017

Safety Colors

Sets forth the technical definitions, color standards, and color tolerances for safety colors.


ANSI C12.1-2014

Electric Meters - Code for Electricity Metering

This Code establishes acceptable performance criteria for new types of ac watthour meters, demand meters, demand registers, pulse devices, and auxiliary devices. It describes acceptable in-service performance levels for meters and devices used in revenue metering. It also includes information on related subjects, such as recommended measurement standards, installation requirements, test methods, and test schedules. This Code for Electricity Metering is designed as a reference for those concerned with the art of electricity metering, such as utilities, manufacturers, and regulatory bodies.


ANSI C84.1-2016

Electric Power Systems and Equipment - Voltage Ratings (60 Hz)

Establishes nominal voltage ratings and operating tolerances for 60 Hz electric power systems above 100 V. Includes preferred voltage ratings up to and including 1,200 kV maximum system voltage.


ANSI C12.20-2015

Electricity Meters - 0.1, 0.2, and 0.5 Accuracy Classes

Establishes the physical aspects and acceptable performance criteria for 0.1, 0.2, and 0.5 accuracy class electricity meters meeting Blondel's Theorem.


ANSI/NEMA Z535.2-2011

Environmental and Facility Safety Signs

Regulates requirements for the design, application, and use of safety signs in facilities and in the environment through consistent visual layout. Reorganized to best describe the five types of safety signs used in facilities, the 2011 edition of this standard is revised to better harmonize with ANSI Z535.4, ANSI Z535.5, and ANSI Z535.6.


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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