Any Code Violations Here?

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67watts

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A contractor working for the county installed this junction box on a wetwell at a sewer pump station. When the issue was brought up to them, they said it was installed to meet Class I Div I hazard location standards. I believe the 480 volt pump cords, float switch cords, and transducer cords produce a trip hazard, are subject to physical damage, and put our collection system operators in harms way. Am I correct here? Is this in violation of NEC Codes? Is there any specific articles in the NEC this falls under? Any suggestions or remedy? Thanks for your help.
Deaconwoods.jpg


[ June 10, 2005, 08:05 PM: Message edited by: 67watts ]
 
Re: Any Code Violations Here?

You need to edit the URL to your photo.
If you right click on the photo in photo bucket and select properties then high lite the URL then come back here and click on edit and delete the old URL then click the image button then right click in the pop up box and select paste. this way you cant get it wrong. :D
 
Re: Any Code Violations Here?

Originally posted by 67watts:
[QB]Is there any specific articles in the NEC this falls under?

See 501.10(A)(2)& 501.140 of the'05 NEC

[ June 10, 2005, 08:12 PM: Message edited by: dillon3c ]
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Re: Any Code Violations Here?

I understand the Class I Locations pretty well, are these the same Articles as in the '02 NEC? I don't have the '05 NEC that's why I'm asking.

[ June 10, 2005, 08:30 PM: Message edited by: 67watts ]
 
Re: Any Code Violations Here?

No, there is a change present in the '05 and haven't investigated in whole.
In your '02 NEC,see 501.4(A)(2)and 501.11..
It's a good place to start,and forum can kick around this installation..
 
Re: Any Code Violations Here?

most such installations are fenced off so that the chance of someone walking over and tripping on it is very remote. I would not hang my hat on that issue at all.

assuming it meets all the criteria for division 1 locations, I don't have a huge problem with it.

one thing - is the blue cable IS? If so, it may not meet the spacing requirements as installed since it could move closer to the 480V cords than allowed.

504.30 Separation of Intrinsically Safe Conductors.
(A) From Nonintrinsically Safe Circuit Conductors.
(1) Open Wiring. Conductors and cables of intrinsically safe circuits not in raceways or cable trays shall be separated at least 50 mm (2 in.) and secured from conductors and cables of any nonintrinsically safe circuits.

It does not appear the blue cable is secured at all.

[ June 11, 2005, 07:20 AM: Message edited by: petersonra ]
 
Re: Any Code Violations Here?

The pump station perimeter is fenced, and should only have the traffic of our operators, who will clean the wetwell, floats, transducer assy, etc. and retrieve the pumps for maintenance as needed.

The blue cable is the transducer cable and is a intrinsic device. The three SJ cords are the float switches which are also intrinsically safe.

How about physical damage or exposure?
 
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