Standards and Ratings
NQ circuit breaker panelboards meet US and Canadian standards, and are marked cULus. NQ circuit breaker panelboards accept QO™ and QOB branch circuit breakers.
Standards
NQ circuit breaker panelboards are designed, manufactured, and tested to comply with the following standards:
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UL 67—Standard for Panelboards
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UL 50—Enclosures for Electrical Equipment
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UL 50E—Enclosures for Electrical Equipment, Environmental Considerations
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CSA C22.2, No. 29—Panelboards and Enclosed Panelboards
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CSA C22.2, No. 94—Special Purpose Enclosures
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NEMA PB 1—Panelboards
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NFPA 70—National Electrical Code® (NEC®)
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Federal Specification W-P-115C Type I Class 1—Circuit Breaker Panelboards
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ASCE 7-05, ASCE 7-10, IBC 2015, IBC 2018, CBC 2016, CBC 2019, NBCC 2015 Seismic Qualification, and OSHPD Special Seismic Certification Pre-approval: OSP-0016-10
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ABS Type Certified
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International Electrotechnical Commission (IEC) 60529: 1989+AMD1:1999+AMD2:2013 CSV Consolidated version.- Degrees of Protection Provided by Enclosures (IP Code)
Ratings
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Main Lugs 100–600 A
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Main Circuit Breaker 100–600 A