Temporary wiring

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midamericairon said:
If you install UF then it will fall under the NEC. Stringing extension cords from the temp service falls under OSHA rules. I believe(don't quote me on this) that according to OSHA rules, extension cords are not supposed to be run directly on the ground because of a trip hazard. Any site I've been on the carpenters build stands to keep the cords elevated to a certain height above grade.


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OSHA rules apply to all wiring employees are exposed to, temporary or permanent. Both OSHA and NEC allow cords on the ground.

NEC article 590 applies to temp wiring
 
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midamericairon said:
If you install UF then it will fall under the NEC. Stringing extension cords from the temp service falls under OSHA rules. I believe(don't quote me on this) that according to OSHA rules, extension cords are not supposed to be run directly on the ground because of a trip hazard. Any site I've been on the carpenters build stands to keep the cords elevated to a certain height above grade.


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A trip hazard is a trip hazard to OSHA, doesn't matter if it is SO cord, UF cable, raceway lying on the ground, or even a water hose.

Supporting any of those items I just mentioned so they are 8 feet off the ground likely does eliminate the trip hazard. It may or may not introduce other hazards and for the electrical items may or may not introduce other NEC violations.
 
Screw it then... just run anything, everywhere. I just mentioned how things are done on several of the safety oriented job sites where I have worked. Just so happens that those sites don't have a problem with injuries. I even said "don't quote me on this" and people insist on quoting me. I'm done posting any responses on this forum. You try and help people out, and all anyone wants to do is nit pick anything one says. I know there are a lot of smarter people on here than myself, but common sense helps as well.


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midamericairon said:
Screw it then... just run anything, everywhere. I just mentioned how things are done on several of the safety oriented job sites where I have worked. Just so happens that those sites don't have a problem with injuries. I even said "don't quote me on this" and people insist on quoting me. I'm done posting any responses on this forum. You try and help people out, and all anyone wants to do is nit pick anything one says. I know there are a lot of smarter people on here than myself, but common sense helps as well.


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I do agree that the UF will have NEC support requirements and that flexible cord can just lay on the ground - per NEC, but then you throw OSHA and trip hazards into the mix - anything laying on the ground is going to be a potential trip hazard I would sure think, even just scrap construction debris, or a dropped hand tool.

You very well may have cords lying on the floor at the sites you work at. I see them all the time myself. Are you saying OSHA sees it as nobody trips on flexible cord but they will trip on UF cable?

Flexible cord is intended to be "portable" and even if permantly attached to a stationary object is intended to allow flexibility.

UF cable is not intended for the same conditions, it is a "fixed wiring method". It can be used for temporary wiring, but can't be used as a substitute for flexible cord either.
 
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