1. (1) Approved Testing Laboratories.

   1. (a) Any materials, equipment, devices or applicants that meet one (1) of the following requirements will be accepted as compliant by the Commissioner of Commerce and Insurance, or the Commissioner’s designee, when properly installed or used:

      1. 1. Bear a label, symbol or other identifying mark of one (1) of the independent testing laboratories approved by the Commissioner. A list of approved independent testing laboratories shall be maintained and published by the Division of Fire Prevention.
      2. 2. Certification by another independent testing agency or laboratory to meet a standard which, in the judgment of the Commissioner, or Commissioner’s designee, provides an adequate level of safety by being:
   2. (i) Recognized nationally as an electrical product safety standard;
   3. (ii) Revised periodically to accommodate the latest developments in electrical products and installations; and
   4. (iii) Developed by the publisher in a manner which affords adequate opportunity for presentation and consideration of views of industry groups, experts, users, consumers, governmental authorities, and others having broad experience in the field involved.
   5. (b) Any standard which is accepted by the American National Standards Institute (ANSI) shall be deemed to satisfy the requirements of (1)(a)2. above.
   6. (c) Where there is no published standard for a product under consideration which meets the requirements of (1)(a)2. above, the testing agency or laboratory must identify, and justify the adequacy of, the standard or specifications on which its certification is based.
   7. (d) Components of certified products must be evaluated for compliance with applicable safety standards, and determined to be suitable for use in such products.
2. (2) In lieu of evaluation by a testing agency or laboratory in accordance with paragraph (1)(a) above, the Commissioner of Commerce and Insurance, or designee, may consider other satisfactory evidence that a product meets safe and proper standards.

Authority: T.C.A. §§ 68-102-113, 68-102-143, and 68-102-150. Administrative History: Original rule certified June 10, 1974. Amendment filed October 24, 1974; effective January 17, 1975. Amendment filed April 20, 1978; effective May 22, 1978. Repeal and new rule filed October 27, 1981; effective December 11, 1981. Repeal and new rule filed June 28, 1984; effective July 28, 1984. Repeal and new rule filed March 12, 1987; effective April 26, 1987. Amendment filed June 27, 1990; effective August 11, 1990. Amendment filed November 14, 2008; effective January 28, 2009. Amendment filed September 17, 2010; effective December 16, 2010. Amendments filed September 30, 2014; effective December 29, 2014. Amendments filed June 20, 2019; effective September 18, 2019.