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Lock out/Tag out procedures.gkrangers said:Give me five topics that should be included in the training for any employees involved in working with electricity. Give a one or two-sentence explanation of each, if you are so inclined.
Seriously, I'm prepared to weed through the sarcastic replies for one or two good ones.
So they use "padlocks" to isolate part of the power grid inside the mill, just to isolate that specific machine?FN FAL said:Lock out/Tag out procedures.
At one paper mill that I worked at, mechanics had misread the schematic for one of the paper machines that was being worked on. They used their pad locks and lock out devices to isolate the wrong circuit. While a contractor was up inside the paper machine, someone started it or "jogged" it and this guy lost part of both legs.
I always tested the start buttons after locking and tagging a machine out, just to make sure.
Hope that helps.
Usually to isolate one machine or a production line. The padlocks and tags went on the handle of a main panel that secured power to a machine.gkrangers said:So they use "padlocks" to isolate part of the power grid inside the mill, just to isolate that specific machine?
You'll see next to most production machinery, a large grey cabinet or several cabinets with pull down handles. The lock out/tag out goes on the handle after you pull down the handle to secure power. This keeps someone from coming along and lifting the handle and powering the cabinet, alowing current to flow and the machine to start.gkrangers said:So they use "padlocks" to isolate part of the power grid inside the mill, just to isolate that specific machine?
What kind of electricity? Auto/industrial wiring, power lines, houses, etc.? My stepdad works for the DoE and I've picked up a few things from him....otherwise I could just direct your Qs to him.gkrangers said:Give me five topics that should be included in the training for any employees involved in working with electricity.
Its a paragraph homework assignment due in a month (all the assignments are posted online already..so im just doing them now cuz i have nohting better to do.)FN FAL said:You'll see next to most production machinery, a large grey cabinet or several cabinets with pull down handles. The lock out/tag out goes on the handle after you pull down the handle to secure power. This keeps someone from coming along and lifting the handle and powering the cabinet, alowing current to flow and the machine to start.
This is a big deal...Companies have policy and procedure on this type of thing. I'm sure that in most companies, that electicians have to do the lock out/tag out. I worked as both a production employee and a field service tech and I did the lock out tag out on my own.
Testing the machine by attempting to start it was one way to ensure that you had read the schematic correctly when you locked out/tagged out, using a multimeter was another way.
In most production facilities, they don't let the new guy do this. Mostly machine operators and people from the "trades" or "millwrights"...it's part of their training.
Also, if a machine operator locked out the machine and a "trades person" came by to help, they would add their padlock to the lockout device. That way the operator could take their stuff off and go home, but the trades person was still protected because he put his own padlock on the machine.
I'll bet if did a google search on lock out/tag out procedures, you'll find quite a few websites from industry contributors. That should give you "cite-able" material for your project.