ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat Box
Recent Posts
Unusual Well Pump Switch Failure
by sabrown - 10/28/20 04:31 PM
Look at this mess...
by InspectorE - 10/27/20 09:09 PM
New tool
by gfretwell - 10/24/20 11:09 AM
Where is Everyone?
by Bill Addiss - 10/17/20 07:04 PM
New in the Gallery:
Facebook follies, bad wiring
FPE in Germany pt.2
Who's Online Now
1 registered members (Scott35), 19 guests, and 20 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
SO cord proper installation? #39496 06/22/04 01:03 AM
Joined: Dec 2002
Posts: 308
E
Edward Offline OP
Member
Hello all.
Can i have a SO hard usage cord be droped from a 20foot ceiling with double duplex receptacles to be used as permenant power source for commercial washing machine?

Where is SO cord used as freely hanging from a ceiling? Ofcourse with proper cable grips.

Thank you
Edward


Thanks
Edward
Work Gear for Electricians and the Trades
Re: SO cord proper installation? #39497 06/22/04 08:30 AM
Joined: Jan 2003
Posts: 46
B
Big A Offline
Member
I would say no. See 400-8 1999NEC

Re: SO cord proper installation? #39498 06/22/04 12:12 PM
Joined: Oct 2000
Posts: 2,749
Joe Tedesco Offline
Member
314.23(H) Pendant Boxes.

An enclosure supported by a pendant shall comply with 314.23(H)(1) or (2).

(1) Flexible Cord. A box shall be supported from a multiconductor cord or cable in an approved manner that protects the conductors against strain, such as a strain-relief connector threaded into a box with a hub.


Joe Tedesco, NEC Consultant
Re: SO cord proper installation? #39499 06/22/04 12:24 PM
Joined: Dec 2002
Posts: 308
E
Edward Offline OP
Member
here is what am planning to do:
A 10-3 SO cord suspended from 20 foot ceiling and be used as a permenat installation.(with proper cord grips and strain relief connectors)

Am I in violation of NEC. I know i can not have the cord attached to the surface of the building.BUt i am suspending it from the ceiling.
Another option i have is to run unistrut from ground up and have a counduit straped to the unistrut.

Thank You
Edward


Thanks
Edward
Re: SO cord proper installation? #39500 06/22/04 04:22 PM
Joined: Apr 2002
Posts: 2,527
B
Bjarney Offline
Moderator
It took advance negotiation with the AHJ, but I have used Appleton STB***SR- or STN***SR-series “basket-grip” liquidtight flexible-metal conduit connectors for (temporary/one-year) vertical-only spans where the bottom ends were non-anchored floor-elevation equipment.

Page 7-8 www.appletonelec.com/pdf/ST-2thru13.pdf [Hubbell and T&B also make ‘em.]

Here’s one consideration for article-400 wiring—in the case of flexible cord for “drop” duty, it is well worth avoiding the pervasive “commodity-grade” type-S** neoprene- or vinyl-jacketed cord. A lot of that stuff has embarrassingly {and litigiously} poor durability—used inside or out.




[This message has been edited by Bjarney (edited 06-22-2004).]

Re: SO cord proper installation? #39501 06/23/04 08:34 PM
Joined: Apr 2002
Posts: 7,211
HotLine1 Offline
Member
Edward:
Flexible cord code compliant uses, and NON-compliant uses are stated in NEC 400.7 (Uses Permitted) and 400.8 (Uses Not Permitted).

Basically, there is not a whole lot that 'cord' can be used for any more. I, and many others have used 'cord' drops as you mentioned, but around '99 the AHJ's started basically what we call "no mo' cord"

And BJ, no we (I) used the 'good stuff', not the economy throw away butched extension cords.

John


John
Re: SO cord proper installation? #39502 06/23/04 09:35 PM
Joined: Sep 2003
Posts: 649
W
winnie Offline
Member
400.7(A)(1) specifically permits 'pendants'.

There is no definition of 'pendant' in article 100, but 210.50(A) states 'A cord connector that is supplied by a permanently connected cord pendant shall be considered a receptacle outlet'

IMHO a 'pendant' receptacle is recognized and permitted by code.

-Jon


Featured:

2020 National Electrical Code
2020 National Electrical
Code (NEC)

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
NickD
NickD
Amish Country, PA
Posts: 46
Joined: March 2013
Show All Member Profiles 
Top Posters(30 Days)
Popular Topics(Views)
271,079 Are you busy
205,051 Re: Forum
193,181 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.3