Document: NUREG-0800
Document ID: 6bb35149-8095-4c8d-9825-497906208bd8
Document Type: srp
Title: Station Transformers
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0327/ML032740044.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.3
CFR Part: 
CFR Title: 

Content:
Transformers can be a significant source of combustible material and ignition energy. Transformers installed in fire areas containing systems important to safety should be of the dry type or insulated and cooled with noncombustible liquid. Oil-filled transformers should be provided with appropriate enclosures, fixed fire suppression, oil confinement capability and separated from areas important to safety as described in Regulatory Guide 1.189.