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#175876 - 03/13/08 05:46 PM Tray Cables into Mcc's termination methods???  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 829
Michigan
I;ve seen Chase nipples put into the top of Mcc's (in wireways only) then several Tray cables run into them . I told the conmtractor I didn't feel this was a approved termintation method. I;ve seen Nipples from Mcc's up to the tray (lest them 24inches . But never Chase nipples?? My concern was even thought the nipples open into the wireways it leaves an unprotected opening.YER opinions Please.
YoopersUp


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#175878 - 03/13/08 06:24 PM Re: Tray Cables into Mcc's termination methods??? [Re: Yoopersup]  
JBD  Offline
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Joined: Jul 2001
Posts: 599
WI, USA
I have seen what you describe. The wiring trough area of MCC's (for load conductors) does not provide direct access to any energized parts, I would be more concerned with securing the TC.


#175882 - 03/13/08 07:16 PM Re: Tray Cables into Mcc's termination methods??? [Re: JBD]  
Yoopersup  Offline
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Joined: Mar 2003
Posts: 829
Michigan
The drop from the tray to the Mcc's is only about 24-36 inches Max.what about 392.8(c)


#175884 - 03/13/08 08:30 PM Re: Tray Cables into Mcc's termination methods??? [Re: Yoopersup]  
resqcapt19  Offline
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Joined: Nov 2000
Posts: 2,148
IL
Take a look at 312.5(C) and 314.17(B).


Don(resqcapt19)

#175887 - 03/13/08 09:27 PM Re: Tray Cables into Mcc's termination methods??? [Re: resqcapt19]  
Yoopersup  Offline
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Joined: Mar 2003
Posts: 829
Michigan
But does a MCC come into play in that section??


#175997 - 03/17/08 07:55 PM Re: Tray Cables into Mcc's termination methods??? [Re: Yoopersup]  
resqcapt19  Offline
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Joined: Nov 2000
Posts: 2,148
IL
In my opinion, between Articles 312 and 314, all electrical enclosures are covered.


Don(resqcapt19)

#176032 - 03/18/08 06:27 PM Re: Tray Cables into Mcc's termination methods??? [Re: resqcapt19]  
Yoopersup  Offline
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Joined: Mar 2003
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Michigan
The Scope sections 312.1 & 314.1 says otherwise.


#176121 - 03/20/08 09:04 PM Re: Tray Cables into Mcc's termination methods??? [Re: Yoopersup]  
resqcapt19  Offline
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Joined: Nov 2000
Posts: 2,148
IL
I think that I can stretch the scope of 314 to cover just about any electrical enclosure including MCCs.


Don(resqcapt19)

#176144 - 03/21/08 08:25 PM Re: Tray Cables into Mcc's termination methods??? [Re: resqcapt19]  
Yoopersup  Offline
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Joined: Mar 2003
Posts: 829
Michigan
314 No way. 312 you'd have to use 90.4 and I really think you'd be streaching it. Which one is it a Cabinet(see definitions) Cut out box (No), Meter Socket encloser (No).
So then a MCC must be a Cabinet .
Cabinet (an encloser that is designed for either surface mounting or flush mounting and is provided with a frame ,mat, or trim in which a swinging door or doors are or can be hung. Doesn;t sound like a MCC does it??


#176160 - 03/22/08 11:12 PM Re: Tray Cables into Mcc's termination methods??? [Re: Yoopersup]  
resqcapt19  Offline
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Joined: Nov 2000
Posts: 2,148
IL
The part of the MCC that you run the cables into is used as a pull box.
Quote
314.1 Scope
This article covers the installation and use of all boxes and conduit bodies used as outlet, device, junction, or pull boxes, depending on their use, and handhole enclosures.


Don(resqcapt19)


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