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  1. Msha ground continuity testing - Electrician Talk

    Feb 8, 2014 · Anybody have experience with doing ground testing for msha? We are running into a problem when we measure the circuit ohms. We start out with a 500' spool of wire and have …

  2. Pendant Receptacle Boxes - Electrician Talk

    Aug 3, 2023 · I was approached by the company safety guy, and he informed me that "an outside source" pointed out just a regular cord drop (pendant) with just your regular 4 square metal …

  3. Grounding motor frames. - Electrician Talk

    Apr 22, 2024 · I used to do Msha testing so am familiar. Vfd cables have a great ground internally though. We, the installer, are adding all these motor frame jumpers. I was told by fellow …

  4. Unmarked cab tire caple of running 65Amps?! | Electrician Talk

    Nov 10, 2010 · Okay. "MSHA" is Mine Safety and Health Administration "P" means that it meets the additional requirements of the state of Pennsylvania Bureau of Mines "159" means that it …

  5. How to get a MSHA Certification!!! - Electrician Talk

    Feb 19, 2010 · Look up your MSHA district office and ask an inspector. Mine inspectors are tough to mine violators,but good to average Joe. They don't want to see any shortcuts that can …

  6. Service Conductors to multiple services - Electrician Talk

    Nov 27, 2024 · For insance MSHA says that any abandoned wiring must be REMOVED. I can't tell you how many industrial plants or even residential areas where you see old dangling wiring …

  7. OSHA labeling - Electrician Talk

    May 2, 2013 · I had one of my customers get fined for improper panel labeling. All circuits are labeled correctly, they fined them on the spares not being marked. No wires hooked up to the …

  8. 3-wire control vs. 2-wire - Electrician Talk

    Feb 1, 2025 · That's an MSHA (mining version of OSHA) requirement at least for underground and coal mining. Often surface metal-nonmetal works the exact same way because they buy …

  9. Motor Higher HP Than Starter Rating - Electrician Talk

    Jan 20, 2017 · I'm doing the MSHA required ground continuity test at a local rock crushing plant, likely more than 100 motors from 2 - 400HP. My connection to the ground bus at the MCC was …

  10. Disconnect arcing - Electrician Talk

    Nov 15, 2015 · In you case MSHA - Mine Safety and Health Administration should cover you rules of applying and using electricity. www.msha.gov Since both agencies are under the …