There are several references in the OSHA regulations where “approved” is mentioned. “Approved is then defined in 29 CFR 1910.399 which is where the NRTL certification requirement is listed.
Kevin. Kevin ________________________________ From: Rodriguez, Daniel (ESP) <drodrig...@ecolab.com> Sent: Thursday, May 9, 2019 5:37 AM To: emc-pstc@listserv.ieee.org Subject: Re: [PSES] Class 1 Div 2 in a pressurized enclosure requires NTRL? Thank you Robison for your reply!! Then the summary is that a industrial controller to be used in Class 1 Div 2 needs to have NTRL approval for Hazloc and ordinary location. A self certification by the manufacturer for Hazloc is not accepted. Which point of the regulation indicates it? Perhaps below? 1910.307<https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=9884> - Hazardous (classified) locations 307(b) - Equipment, wiring methods, and installations of equipment in hazardous (classified) locations shall be intrinsically safe, approved for the hazardous (classified) location, or safe or for the hazardous (classified) location. Thank you for your answer Kind Regards Daniel Rodríguez From: Kevin Robinson <kevinrobinso...@gmail.com> Sent: Monday, May 06, 2019 5:53 PM To: Rodriguez, Daniel (ESP) <drodrig...@ecolab.com>; emc-pstc@listserv.ieee.org Subject: Re: [PSES] Class 1 Div 2 in a pressurized enclosure requires NTRL? Caution: This email originated from outside of the organization. DO NOT CLICK on links or open attachments unless you recognize the sender and know the content is safe. Daniel, Generally yes, the product must be certified by a NRTL, however I seem to recall seeing some enclosures that were approved with certain assumptions on the internal equipment that you might be able to rely on the enclosure certification. Keep in mind that the equipment also needs to meet normal location requirements. If you have any questions about the NRTL program, feel free to reach out to me at my office robinson.ke...@dol.gov<mailto:robinson.ke...@dol.gov> or 202-693-1911 as I manage the NTRL program for OSHA. Kevin Robinson ________________________________ From: Rodriguez, Daniel (ESP) <drodrig...@ecolab.com<mailto:drodrig...@ecolab.com>> Sent: Monday, May 6, 2019 11:09 AM To: emc-pstc@listserv.ieee.org<mailto:emc-pstc@listserv.ieee.org> Subject: [PSES] Class 1 Div 2 in a pressurized enclosure requires NTRL? Good morning every body!! In USA it is mandatory that Class 1 Div 2 in a pressurized enclosure is reviewED by a NTRL lab? If it mandatory where I can find it? Or with the enclosure certificate is enough? I wish you a nice day! Thank you for your answers Kind Regards / Saludos cordiales / Mit freundlichen Grüßen Daniel Rodríguez CONFIDENTIALITY NOTICE: This e-mail communication and any attachments may contain proprietary and privileged information for the use of the designated recipients named above. Any unauthorized review, use, disclosure or distribution is prohibited. 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