National Electrical Installation Standards

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Power Distribution

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NECA200Cover_10

NECA 200-2010, Recommended Practice for Installing and Maintaining Temporary Electric Power at Construction Sites (ANSI)

Describes installation procedures for temporary power at construction sites. It covers the planning, installation, expansion, maintenance, cutover, and removal of temporary power systems operating at 600 volts or less. NECA 200 is approved as an American National Standard (ANS).

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NECA 400-2007, Standard for Installing and Maintaining Switchboards (ANSI)

This standard describes installation procedures for deadfront distribution switchboards rated 600 volts or less. This standard also covers periodic routine maintenance procedures for switchboards and special procedures to be used after adverse circumstances, such as a short circuit, ground-fault, or immersion in water. NECA 400 is approved as an American National Standard (ANS).

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NECA 402-2014, Standard for Installing and Maintaining Motor Control Centers (ANSI)

Describes installation and maintenance practices for motor control centers rated 600 volts or less. It also covers periodic routine maintenance procedures for motor control centers and special procedures to be used after adverse circumstances, such as a short-circuit, ground-fault, or immersion in water. NECA 402 is approved as an American National Standard (ANS).

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NECA406

NECA 406-2014, Standard for Installing Residential Generator Sets (ANSI)

Describes installation procedures for (a) Generator sets permanently installed at one-family dwellings to provide backup power, typically rated 120/240 volts, single-phase, three-wire; and (b) Generator sets fueled by gasoline, natural gas, or liquified petroleum (LP) gas. NECA 406 is approved as an American National Standard (ANS).

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NECA408R_09

NECA 408-2009, Standard for Installing and Maintaining Busways (ANSI)

Describes installation procedures for feeder and plug-in busways and associated accessories rated 600 volts AC or less and 100 amperes or more. It also covers periodic routine maintenance procedures for busways and special procedures used after adverse operating conditions, such as a short-circuit, ground-fault, or immersion in water. NECA 408 is approved as an American National Standard (ANS).
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NECA 410-2013 Standard for Installing and Maintaining Liquid-Filled Transformers (ANSI)

This standard describes installation procedures for pad-mounted, sealed, self-cooled or fan-cooled, compartmental, single- and three-phase liquid filled distribution and power transformers with primary windings rated from 2400 volts to 35 kV AC, nominal, and rated from 75 kVA through 5000 kVA, and associated accessories, designed for outdoor installation at grade level with underground entrance of primary and secondary conductors, and used for supplying power, heating and lighting loads for commercial, institutional, and industrial use in nonhazardous locations.

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NECA411_14Cover_WEB

NECA 411-2014 Standard for Installing and Maintaining Uninterruptible Power Supplies (UPS) (ANSI)

Describes installation and maintenance procedures for permanently installed, static, three-phase Uniterruptible Power Supplies (UPS) rated 30 kVA or more and rated 600 volts or less and related battery systems installed indoors and outdoors for commercial, institutional, and industrial applications. NECA 411 is approved as an American National Standard (ANS).

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NECA420_14

NECA 420-2014 Standard for Fuse Applications (ANSI)

This standard describes application and installation practices and procedures for low-voltage, medium-voltage, and high-voltage fuses. This publication applies to all classifications of fuses used for overcurrent protection of distribution, utilization, and control equipment used for power, heating, and lighting loads for commercial, institutional, and industrial use in nonhazardous indoor and outdoor locations.

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430Cover_web

NECA 430-2006, Standard for Installing Medium-Voltage Metal-Clad Switchgear (ANSI)

Describes installation of medium-voltage metal-clad switchgear. NECA 430 is approved as an American National Standard (ANS).

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NECA700_10

NECA 700-2010 Standard for Installing Overcurrent Protection to Achieve Selective Coordination

Describes the application procedures for selecting and adjusting low-voltage overcurrent protective devices to achieve selective coordination. NECA 700 is approved as an American National Standard (ANS).
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NECA/EGSA 404-2014 Standard for Installing Generator Sets (ANSI)

This Standard describes installation procedures for generators and related accessories and systems that are permanently installed for on-site standby or emergency power generation that are typically fueled by natural gas or diesel.  Such generators may be defined as “emergency systems” or “legally-required standby systems” intended to supply power for emergency or life-safety applications in accordance with NFPA 70, National Electrical Code.

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CDlabel_NEISYearbookVol7

NEIS Yearbook Volume 9

This reference tool is a complete digital collection of NECA’s performance standards for electrical construction and maintenance. It contains the complete set of NEIS, including updated and new standards series through mid-2013. Several NEIS in the Yearbook have been revised and expanded to align with the current edition of the National Electrical Code and other applicable standards.
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LinemenTalksCDcover2013

Linemen Toolbox Safety Talks CD (5059L-13)

NECA's new Linemen Safety Toolbox Talks product provides outside line contractors and personnel with 52 newly developed job site safety talks that will assist those responsible for job site safety talks in outside line construction. The new job safety talks provide a variety of new topics in addition to refreshed standard safety subjects that apply to line workers.
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