To all that are fairly intimate with US safety requirements, Here are some curiosity questions that have been nagging at me for a while: Other than what can be found in the National Electric Code (Article 800-4, I believe), the 1910 OSHA regulations and virtually all municipality electric codes (NEC clones) throughout the US, what specific requirements are there that positively and unequivicably require NRTL Listing of ITE specifically, whether with telecommunications features or not, before they can be put into service (if I may borrow a phrase from the EU's EMCD)? Are there additional OSHA and other regulations that pertain to this subject? I happen to be on a fact-finding expedition and would appreciate your knowledge and experience. Comments with or without requested references pertinent to this query are, of course, welcome and invited. Best regards, Ron Pickard ron_pick...@hypercom.com -------------------------------------------------------- Some applicable(?) definitions from OSHA regulation 29 CFR 1910.399: (a) Definitions applicable to 1910.302 through 1910.330 - "Acceptable." An installation or equipment is acceptable to the Assistant Secretary of Labor, and approved within the meaning of this Subpart S: (i) If it is accepted, or certified, or listed, or labeled, or otherwise determined to be safe by a nationally recognized testing laboratory;" ..... "Equipment." A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like, used as a part of, or in connection with, an electrical installation. "Accepted." An installation is "accepted" if it has been inspected and found by a nationally recognized testing laboratory to conform to specified plans or to procedures of applicable codes. "Certified." Equipment is "certified" if it (a) has been tested and found by a nationally recognized testing laboratory to meet nationally recognized standards or to be safe for use in a specified manner, or (b) is of a kind whose production is periodically inspected by a nationally recognized testing laboratory, and (c) it bears a label, tag, or other record of certification. "Labeled." Equipment is "labeled" if there is attached to it a label, symbol, or other identifying mark of a nationally recognized testing laboratory which, (a) makes periodic inspections of the production of such equipment, and (b) whose labeling indicates compliance with nationally recognized standards or tests to determine safe use in a specified manner. "Listed." Equipment is "listed" if it is of a kind mentioned in a list which, (a) is published by a nationally recognized laboratory which makes periodic inspection of the production of such equipment, and (b) states such equipment meets nationally recognized standards or has been tested and found safe for use in a specified manner.
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