NECA NEIS 408

Standard for Installing and Maintaining Busways

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Organization: NECA
Publication Date: 1 January 2015
Status: active
Page Count: 33
scope:

Applications and Products Included

This standard describes the installation and maintenance procedures for feeder and plug-in busways and accessories rated 600 Volts AC or less, and 100 Amperes or more, installed above ground. It also covers periodic routine maintenance procedures for busway, and special procedures used after adverse operating conditions such as a shortcircuit, ground-fault, or immersion in water.

Applications and Products Excluded

This publication does not cover lighting busway, trolley busway, cable-bus, or medium-voltage or metal-enclosed busway.

Regulatory and Other Requirements

All information in this publication is intended to conform to the NEC (ANSI/NFPA 70). Installers shall follow the NEC, applicable state and local codes, manufacturer's instructions, and contract documents when installing stored energy systems.

Only qualified persons as defined in the NEC familiar with the construction and installation of busways shall perform the technical work described in this publication. Administrative functions such as receiving, handling and storing required in Section 4, and other tasks may be performed under the supervision of a qualified person. All work shall be performed in accordance with NFPA 70E, Standard for Electrical Safety in the Workplace.

General requirements for installing electrical products and systems are described in NECA 1, Standard for Good Workmanship in Electrical Construction (ANSI). Other NEIS provide additional guidance for installing particular types of electrical products and systems. A complete list of NEIS is provided in Annex A. 

Mandatory Requirements, Permissive Requirements, Quality and Performance Recommendations, Explanatory Material, and Informative Annexes Mandatory Requirements.

Mandatory requirements in manufacturer's instructions, or of Codes or other mandatory Standards that may or not be adopted into law, are those that identify actions that are specifically required or prohibited and are characterized by the use of the terms must or must not, shall or shall not, or by the use of positive phrasing of mandatory requirements. Examples of mandatory requirements may equally take the form of, "equipment must be protected . . .," "equipment shall be protected . . .," or "protect equipment . . .," with the latter interpreted (understood) as "(it is necessary to) protect equipment . . ."

Permissive Requirements. Permissive requirements of manufacturer's instructions, or of Codes or other mandatory Standards that may or not be adopted into law, are those that identify actions that that are allowed but not required, are normally used to describe options or alternative means and methods, and are characterized in this Standard by the use of the terms may or may not, or are permitted or are not required.

Quality and Performance Recommendations. Quality and performance recommendations identity actions that are recommended or not recommended to improve the overall quality or performance of the installation and are characterized by the use of the term should or should not.

Explanatory Material. Explanatory material, such as references to other Codes, Standards, or documents, references to related sections of this Standard, information related to another Code, Standard, or document, and supplemental application and design information and data, is included throughout this Standard to expand the understanding of mandatory requirements, permissive requirements, and quality and performance recommendations. Such explanatory material is included for information only, and is Identified by the use of the term "Note," or by the use of italicized text.

Informative Annexes. Non-mandatory information, other reference standards or documents relative to the application and use of materials, equipment, and systems covered by this Standard are provided in informative annexes. Informative annexes are not part of the enforceable requirements of this Standard, but are included for information purposes only.

Document History

NECA NEIS 408
January 1, 2015
Standard for Installing and Maintaining Busways
Applications and Products Included This standard describes the installation and maintenance procedures for feeder and plug-in busways and accessories rated 600 Volts AC or less, and 100 Amperes or...
January 1, 2009
Installing and Maintaining Busways
Applications and Products Included This standard describes the installation and maintenance procedures for feeder and plug-in busways and accessories rated 600 Volts AC or less, and 100 amperes or...
January 1, 2002
Recommended Practice for Installing and Maintaining Busways
A description is not available for this item.

References

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