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 .7 ohms …

Apr 21, 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 workers it’s …

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 box that …

Sep 1, 2010 · We have a lime mine here in town and we have to certify their grounding (electrodes) and bonding every year in accordance with MSHA standards. The tester we use is made by Ideal and it …

Nov 9, 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 was …

Feb 19, 2010 · How can i get a MSHA certification i googled it but i want to know from someone who already has it. Thank you.:confused1:

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 hanging out …

Sep 13, 2024 · I need a little help with defining a dead front for an electrical panel. The code states to protect from all exposed live parts. Does this include wires and the sides of the breakers? With …

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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 equipment from …