2020年5月5日 · I accept the claim that NEC does not require NRTL listing of industrial control panels which fall under NEC 409. There may be some AHJs, cities, and states who do require …

2019年2月26日 · In general OSHA requires all electrical equipment used in a work place to be "approved", but the OSHA definition of "approved" is that the product must be listed by a …

2025年3月14日 · In addition, most states interpret 110.3(C) to mean NRTL listing, as it specifically mentions that in the Informational Note. The Occupational Safety and Health Administration …

2012年9月10日 · It seemed to be "new" about 10 years ago, but perhaps it was just awareness being raised. I think people thought it applied to electrical premises equipment only (like …

2022年8月20日 · To abide by OSHA all electrical devices must be NRTL listed. Let me say I have a UL508A listed Industrial Control Panel. The SCCR is 5kA but the available fault current is …

2024年3月28日 · The official source for NRTLs recognized by OSHA in the US is the Occupational Safety and Health ...

2024年9月10日 · I said the requirement stops short of requiring the product be be listed by a testing laboratory that is on OSHA's NRTL list . It is required to be listed and the listing agency …

2009年2月19日 · The one and only Thomas Edison started the Electrical Testing Laboratories in 1904. Its first major customer was Carrier Corporation followed by GE Lighting. By 1959, ETL …

2014年12月29日 · "Is there any State, Federal, or NEC requirements that all cord and plug connected equipment and appliances sold in the US are required to have a NRTL listing?" The …

2010年10月8日 · The OSHA - NRTL program currently only recognizes 4 standards associations. They are: 1. Amercian National Standards Institute - ANSI 2. American Society for Testing and …