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Joined: Oct 2000
Posts: 2,749
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Rule always said: "358.12 Uses Not Permitted.
EMT shall not be used under the following conditions:
(1) Where, during installation or afterward, it will be subject to severe physical damage."


Joe Tedesco, NEC Consultant
2017 / 2014 NEC & Related Books and Study Guides
Joined: Nov 2000
Posts: 2,148
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Only the AHJ knows!


Don(resqcapt19)
Joined: May 2004
Posts: 697
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I think where it might get hit with a snowplow would qualify.

Dave

Joined: Feb 2004
Posts: 1,437
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Is corrosion considered "physical damage"?

-Randy

Joined: Apr 2002
Posts: 2,527
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Snowplows and forklifts.

Isn't the time aspect, "...during installation or afterward..." a more recent addition to the rule? Before—always was just implied, I suppose.




[This message has been edited by Bjarney (edited 07-13-2004).]

Joined: May 2002
Posts: 1,716
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Well here is an example I think is understandable (atleast as much as we have per the NEC)

[Linked Image from click-smilies.de]

On the left I think we have "physical damage"
On the right we are probably looking at closer to "severe physical damage"

[Linked Image]

Roger

Joined: Jun 2003
Posts: 681
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Joe
We have been mulling that over here for a while, and come up with the AHJ decision as well - but that doesn't bode well for some guys who have to deal with the ' ' inspector type.

Very good Roger [Linked Image]

Pierre


Pierre Belarge
Joined: May 2002
Posts: 1,716
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Thanks Pierre. [Linked Image] I hope you and the new company are doing well.

How is your better half doing?

Roger

Joined: Nov 2002
Posts: 558
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My guess is,it'd be a common-sense type of thing. If it's in an area with vehicle traffic,EMT's probably a bad idea.

Russell

Joined: Apr 2002
Posts: 7,275
Likes: 2
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AS an inspector....I honestly could not differentiate "severe" and "regular" physical damage.

Is 'severe' damage the EMT being flattened to 1/8" thickness? Damage is damage I would have to say. Determining future possibilities for damage has to be a basic common sense move on the EC's part.

Joe; you picked a real good point!!

John


John
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