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Office of Contract Administration

Approved Testing Labs for Electrical Products

 

NATIONALLY RECOGNIZED TESTING LABORATORIES

 

Testing Laboratories recognized by the U.S. Department of Labor Occupational Safety & Health Administration (OSHA) Nationally Recognized Testing Laboratories (NRTL) Program, a part of OSHA’s Directorate of Science, Technology, and Medicine, are acceptable to the San Francisco Department of Building Inspection for listing and labeling of electrical devices, equipment and products within each NRTL’s scope of recognition. All such electrical devices, equipment and products may be approved if judged suitable for use when installed in conformity with the San Francisco Electrical Code (SFEC):


Contact OSHA or the NRTL for additional information. Information can be accessed at  http://www.osha-slc.gov/dts/otpca/nrtl/index.html

 

Organizations Currently Recognized By OSHA as NRTLs:

 

 

ELECTRICAL TESTING COMPANIES

 

The following companies are recognized by the San Francisco Department of Building Inspection to perform ground fault testing required by SFEC Section 250-95. Companies that perform other tests required by the Department of Building Inspection, including field evaluations, and testing of unlisted and custom-made electrical devices, equipment and products, shall be pre-approved on a case-by-case basis.

 

 •   Power Systems Testing Co.
      2267 Claremont Court
      P. O. Box 6005
      Hayward Ca. 94545
      (510) 783-5096
   
 •   Apparatus Testing and Engineering, Inc
      P.O. Box 984
      Folsom, Ca. 95763-0984
      (916) 853-6280
   
 •   Eaton Corp.
      2637 Collier Canyon Rd.
      Livermore, CA 94551
      (925) 454-3600
   
 •   Engineering Services Company
      P.O. Box 96
      Half Moon Bay, Ca 94019-0096
      (650) 574-9131