I have never conclusively figured this out either. Based on my
understanding, NRTL acceptance is an option for the U.S. in general,
but by far the easiest row to how. For example, to satisfy OSHA
workplace requirements, equipment can be built to the many pages of
requirements, or simply meet 29 CFR 1910.399 (a) (i), viz. acceptance
by an NRTL. National and local electric codes seem to offer the
same two choices. Having always taken the NRTL route, I do not know
the difficulties associated with trying to meet the alternate "code"
requirements.
George R. Alspaugh
Lexmark International
---------------------- Forwarded by George Alspaugh/Lex/Lexmark on 09/16/98
08:33 AM ---------------------------
Please respond to ron_pickard%hypercom....@interlock.lexmark.com
To: emc-pstc%ieee....@interlock.lexmark.com,
treg%world.std....@interlock.lexmark.com
cc: (bcc: George Alspaugh/Lex/Lexmark)
bcc: George Alspaugh/Lex/Lexmark
Subject: Query: US safety required for ITE?
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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