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 …

Sep 1, 2010 · How do you measure the resistance of a ground rod and what instrument do you use?

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 workers it’s …

Aug 3, 2023 · Interesting MSHA has no authority over the buildings here is the kicker not in the mine. That was OSHA. Ended up in HR again over that one. Fortunately the mine manager agreed with me …

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. …

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 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 …

Dec 27, 2018 · THEN get the licenses once you understand for instance differences between CEC Part 1 and NEC, or M421 and MSHA/NEC. A lot of this makes a lot more sense by doing the work.

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 …