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Applied Research Laboratories, Inc. (ARL) (recognition terminated effective 1/28/08) | | The abbreviation "NRTL" must
: R* h R: I7 H* g. [+ V5 Qappear below the ARL mark. |
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Canadian Standards Association (CSA) | | |
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| Marks above used for products meeting only U.S. standards | Marks above used for products meeting both U.S. and Canadian standards |
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| Mark above used for gas-fueled products meeting U.S. standards[sup]2[/sup] | |
Canadian Standards Association (CSA)(mark formerly used by the American Gas Association (AGA), exclusively licensed to CSA until June 30, 2001) | | |
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Communication Certification Laboratory, Inc. (CCL) | | |
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Curtis-Straus LLC (CSL) | Marks below used for products meeting only U.S. standards (see note) | Mark below used for products meeting both U.S. and Canadian standards (see note) |
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Original mark (use allowed until May 1, 2010) | | |
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Electrical Reliability Services, Inc. (ERS)+ q6 F( X6 T [. U2 |1 F
(also known as eti Conformity Services and formerly Electro-Test, Inc. (ETI)) (recognition terminated effective 6/23/08) | | |
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Entela, Inc., G& e* J: n# J; } d8 f
(Voluntary termination effective 1/28/08 - acquired by the parent company of ITSNA) | Entela marks are now being used by ITSNA. See ITSNA marks below. |
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FM Global Technologies LLC (FM) (also known as FM Approvals and formerly Factory Mutual Research Corporation) | Mark below used for products meeting only U.S. standards | Mark below used for products meeting both U.S. and Canadian standards |
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Intertek Testing Services NA, Inc. (ITSNA) (formerly ETL Testing Laboratories, Inc.) | Marks below used for products meeting only U.S. standards | Marks below used for products meeting both U.S. and Canadian standards |
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(Note: In 2004, Entela, Inc., was acquired by the parent company of ITSNA.) | | |
| Mark above used for products meeting only U.S. standards | Mark above used for products meeting both U.S. and Canadian standards |
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MET Laboratories, Inc. (MET) | | |
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| Mark above used for products meeting only U.S. standards Commenced use - January 2006) | Marks above used for products meeting both U.S and Canadian standards (Commenced use - January 2006) |
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| | Mark above used for products meeting both U.S. and Canadian standards (original MET mark) |
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NSF International (NSF) | Mark below used for products meeting only U.S. standards0 ]1 m' j# J: M" ^# z
Use to expire 12/31/2012 | Mark below used for products meeting both U.S. and Canadian standards
9 u- m5 C0 y- X/ M, z0 [3 b$ \Use to expire 12/31/2012 |
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| Mark below used for products meeting only U.S. standards | Mark below used for products meeting both U.S. and Canadian standards |
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National Technical Systems, Inc. (NTS) | | |
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SGS U. S. Testing Company, Inc. (SGSUS) (formerly U.S. Testing Company, Inc.) | | |
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Southwest Research Institute (SWRI) | | |
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TUV America, Inc. (TUVAM) | | Use to commence in early 2008 (see note) |
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TUV Product Services GmbH (TUVPSG) | | Use to commence in early 2008 (see note) |
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TUV Rheinland of North America, Inc. (TUV) | | |
| Mark above used for products meeting only U.S. standards | Mark above used for products meeting both U.S. and Canadian standards |
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| NRTL previously used mark above but ceased authorizing on or about January 2000. | |
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Underwriters Laboratories Inc. (UL) | | |
| Marks below used for products meeting only U.S. standards | Marks below used for products meeting both U.S. and Canadian standards |
[size=-1]Basic marks | | |
[size=-1]Equivalent to above | | |
[size=-1]"Used on products which UL has evaluated for specific properties, a limited range of hazards, or suitability for use under limited or special conditions. Typically, products Classified by UL fall into the general categories of building materials and industrial equipment." Examples: fire doors, protective gear for fire fighters, industrial trucks. | | |
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Wyle Laboratories (WL) | | |