NEMA BU 2 : 1996
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
MAJOR REQUIREMENTS RELATED TO THE APPLICATION AND TESTING OF LOW VOLTAGE BUSWAY
09-26-2000
01-12-2013
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
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