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 …

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 …

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 …

Sep 4, 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 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 was …

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 cause an …

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 …

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 breakers at all. …

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 …

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 right below …