Document: NRC Regulatory Guide
Document ID: 503ea0ef-6ca4-4230-99f2-c94521f9e62a
Document Type: regulatory_guide
Title: Qualification Tests of Electric Cables, Field Splices, and Connections for Light-Water-Cooled Nuclear Power Plants
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740128.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.131
CFR Part: 
CFR Title: 

Content:
PowerAtlntL not apply to quanttication for an installed contlgura- rtl' te-' IEEE Std 383-1974 was issued, tion. s ab atories and cable testing facilities ex r% c difficulty in producing a consistent flame by using the burner and flame source B. DISCUSSION cedures specified in the standard. An IEEE task IE S 3e investigation into the problem was eventually IEEE Std 383-1974, "IEEE Standard for pe expanded to include an evaluation of various flame Test2 of Class IE Electric Cables, Field e sources to determine if the 70,000 Btu/hr flame Connections for Nuclear Power eera i source specified in the standard was correct for use in Stations,"3 was prepared by Working G p1 of fire qualification testing. The investigation found that inconsistencies in the flame source were traceable to 'Regulatory Guide 1.29, "Seismic Design Classification, provides the inadvertent use of incorrectly sized burners dur guidance with regard to identifying electric cables, field splices, ing certain tests. and connections to which the desi rification requirements of Appendix B to 10 CFR Part 50 1 • .. A 2As used in this regulatory guide' t alification test" and A series of tests to determine if the correct flame "type test" are synonymous. source had been selected was conducted, and the 3Copies may be obtain he I titute of Electrical and results, as evaluated by the IEEE task force and the Electronics Engineers, nited neering Center, 345 East 47th NRC staff, indicated no basis for changing the 70,000 Street, New York, 0017. Btu/hr. Investigation into fire testing is continuing by RE• TORY GUIDES Comments should be sent to the Secretary of the Commission, US. Nuclear Regu Regulatory Guides a L d to describe and make available to the public methods latory Commission, Washington, D.C. 20555, Attention:' Docketing and Service acceptable to the NR q .of implementing specific parts of the Commission's Branch. r e g u l a t i o n s , to d e l i n~ e a t e N l u e s u s e d b y t h e s t a f f i