NEIS Revision for Installation of Motor Control Centers NECA 402-2014, Standard for Installing and Maintaining Motor Control Centers
is the latest revision in the National Electrical Installation Standards (NEIS®)
series published by the National Electrical Contractors Association (NECA).
This standard describes the installation and maintenance procedures for low-voltage motor control centers (MCCs) rated 600 VAC or less with a horizontal bus rating of 2,500 amperes or less. This standard also covers MCCs that are assembled with factory-installed dry-type transformers and panelboards. Please note that the testing and maintenance of such dry-type transformers is addressed in NECA 409, Standard for Installing and Maintaining Dry-Type Transformers (ANSI)
. Also, the testing and maintenance of such panelboards is addressed in NECA 407, Standard for Installing and Maintaining Panelboards (ANSI)
Motor control centers are typically installed in commercial and industrial facilities. They are an economical and effective method to consolidate several motor controllers in the same location. This simplifies servicing motors and facilitates monitoring of control systems and facilities mechanical and HVAC system operations. NECA 402 has been meticulously revised to include the latest revisions in the National Electrical Code (NEC)®
while continuing to deliver most current and highest level of quality and performance criteria for motor control center installations. This standard helps contractors, designers, and installers get the MCC installation right the first time.
In today’s market, owners demand the best electrical installation for their money. Conforming to the requirements of the NEIS ensures that facility owners and managers receive a quality installation that will not only look good, but will provide optimal performance for years. This standard also includes valuable and easy to understand information about periodic maintenance necessary for motor control centers.
“NECA’s National Electrical Installation Standards (NEIS) library has grown over the years, and as new technologies emerge, the NEIS evolve and keep pace,” stated Michael Johnston, NECA Executive Director of Standards and Safety. Johnston also emphasized that “the standards are constantly providing significant value to those in the electrical designing and engineering communities. The NEIS help professionals in developing design specifications in that they reduce and often eliminate specification writing time.”
NECA 402-2014, Standard for Installing and Maintaining Motor Control Centers is $20 for NECA members and $40 for non-members.
Visit the NECA Store at necanet.org/Store to purchase in digital or print format or contact the NECA Order Desk at (301) 215-4504, firstname.lastname@example.org. Bulk pricing is available.
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