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NECA NEIS 430

Standard for Installing and Maintaining Medium-Voltage Switchgear

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Organization: NECA
Publication Date: 1 January 2016
Status: active
Page Count: 62
scope:

This standard describes site preparation and installation of new medium-voltage switchgear and maintenance procedures for existing medium-voltage switchgear nominally rated up to a maximum operating voltage of 38 kV AC. Medium-voltage switchgear may be classified as either metal-clad switchgear or metal-enclosed switchgear. Medium-voltage switchgear may also be arc-resistant or non-arc-resistant construction.

Products and Applications Included

1. Metal-clad switchgear

2. Metal-enclosed switchgear

3. Vacuum circuit breakers

4. Interrupter switches

5. Indoor and outdoor locations

6. Testing, energizing, and commissioning

7. Maintenance procedures

Equipment and Applications Excluded

1. Pad-mounted, compartmentalized switchgear

2. Sulfur-Hexafluoride (SF6) circuit breakers

3. Underground installations

4. Transformers or unit substations

5. Station-type switchgear

6. Gas Insulated Switchgear (GIS)

7. Reconditioned switchgear

Regulatory and Other Requirements

All information in this publication is intended to conform to the National Electrical Safety Code (ANSI/ IEEE C2) and National Electrical Code (ANSI/NFPA 70). Installers should always follow the NESC, NEC, applicable state and local codes, manufacturer's instructions, and contract documents when installing medium-voltage metal-clad switchgear.

Only qualified persons as defined in the NEC familiar with the construction and installation of high voltage circuits and electrical power distribution and control systems and equipment should perform the technical work described in this publication. Administrative functions and other tasks can be performed under the supervision of a qualified person. All work be performed in accordance with NFPA 70E, Standard for the Electrical Safety in the Workplace.

General requirements for installing electrical products and systems are described in the latest version of NECA 1, Standard for Good Workmanship in Electrical Construction. Other National Electrical Installation Standards provide additional guidance for installing particular types of electrical products and systems. A complete list of NEIS is provided in Annex A.

Manufacturer's Instructions

The information in this document is generic, intended to describe the general nature of the activities required for preparation, installation, and maintenance of medium-voltage switchgear. The manufacturer's information, including drawings and instruction manuals, must be adhered to in preparation, installation, and maintenance of medium-voltage switchgear.

Document History

NECA NEIS 430
January 1, 2016
Standard for Installing and Maintaining Medium-Voltage Switchgear
This standard describes site preparation and installation of new medium-voltage switchgear and maintenance procedures for existing medium-voltage switchgear nominally rated up to a maximum operating...
January 1, 2006
Standard for Installing Medium-Voltage Metal-Clad Switchgear
This standard describes site preparation and installation of medium-voltage metal-clad switchgear rated 5 kV and 15 kV AC. Products and Applications Included Metal-clad switchgear Vacuum circuit...

References

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