
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 .7 ohms …
Grounding motor frames. - Electrician Talk
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 …
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 box that …
Ground rod resistance - Electrician Talk
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 …
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 was …
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 cause an …
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 hanging out …
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 breakers at all. …
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 equipment from …
Transfering certification to the US - Electrician Talk
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.