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NEMA BU 2 : 1996

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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MAJOR REQUIREMENTS RELATED TO THE APPLICATION AND TESTING OF LOW VOLTAGE BUSWAY

Superseded date

09-26-2000

Published date

01-12-2013

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Foreword
Section 1 GENERAL
1.1 Scope
1.2 Referenced Standards
Section 2 UNDERWRITERS LABORATORIES REQUIREMENTS
2.1 Heating (Temperature Rise) Test
2.2 Resistance to Impact Test
2.3 Dielectric Test
2.4 Resistance to bending Test
2.5 Resistance to Crushing Test
2.6 Bus Bar Pullout Test
2.7 Insulation Resistance and Dielectric Strength
               Test After Exposure to Rain
2.8 Short Circuit Test
2.9 Electric Conductivity Test
Section 3 NEMA Standards
3.1 Short Circuit Current Ratings
3.2 Voltage Drop
3.3 Resistance, Reactance, and Impedance
3.4 Unusual Service Conditions
Section 4 NATIONAL ELECTRICAL CODE REQUIREMENTS
Section 5 STATE AND LOCAL CODES
Section 6 ELECTRIC POWER COMPANY REQUIREMENTS
6.1 Contacting Busway Manufacturers

Provides requirements for the application and testing of low voltage busway by giving a summary of the principal codes and standards applicable to the product.

DocumentType
Standard
PublisherName
National Electrical Manufacturers Association
Status
Superseded
SupersededBy

NEMA ICS 3:2005 (R2010) INDUSTRIAL CONTROL AND SYSTEMS: MEDIUM VOLTAGE CONTROLLERS RATED 2001 TO 7200 VOLTS AC
NEMA KS 1:2013 Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum)
UL 857:13ED 2009-03-25 Busways
NEMA BU 1:2002 Busways
NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
NEMA LS 1-1992 (R2000) LOW VOLTAGE SURGE PROTECTION DEVICES
NEMA ICS 1 : 2000(R2015) INDUSTRIAL CONTROL AND SYSTEMS: GENERAL REQUIREMENTS
NEMA ICS 2:2008 Controllers, Contactors and Overload Relays Rated 600 V
NEMA AB 1 Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures

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