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LB Fittings #201369
05/29/11 10:03 PM
05/29/11 10:03 PM
M
MJ2000  Offline OP
Member
Joined: Jun 2005
Posts: 17
Toronto, ON
Hi,
Is it allowed to make joints in LB fittings?

MJ

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Re: LB Fittings [Re: MJ2000] #201372
05/29/11 10:25 PM
05/29/11 10:25 PM
dougwells  Offline

Member
Joined: May 2003
Posts: 1,149
kamloops BC Canada
I could be wrong,but I think as long as it meets the cu in box fill requirement It may be allowed.I would never splice service conductors though.
between meter and service disconnect that is. smile

Re: LB Fittings [Re: MJ2000] #201374
05/29/11 10:40 PM
05/29/11 10:40 PM
J
jay8  Offline
Member
Joined: Jul 2005
Posts: 183
Vancouver, BC
I think it is something to be avoided. There is no provision for bonding in an LB, it is difficult to maintain 150mm of conductors for splicing, and some may consider an LB to be a raceway, and we know joints are not permitted within raceways.That being said I dont think there is a rule that specifically prohibits splicing in an LB.

Re: LB Fittings [Re: MJ2000] #201414
05/31/11 06:24 PM
05/31/11 06:24 PM
M
mikesh  Offline
Member
Joined: Jun 2006
Posts: 613
Victoria, BC, Canada
If the conduit body has a cubic inch area marked on it then you can splice in it according to 12-3034

Re: LB Fittings [Re: mikesh] #201443
06/01/11 11:22 AM
06/01/11 11:22 AM
J
jay8  Offline
Member
Joined: Jul 2005
Posts: 183
Vancouver, BC
My reading of 12-3034 is that it refers to boxes, whereas an LB would be considered a fitting - so should 12-3034 apply?

Re: LB Fittings [Re: MJ2000] #201449
06/01/11 06:26 PM
06/01/11 06:26 PM
HotLine1  Offline

Member
Joined: Apr 2002
Posts: 7,050
Brick, NJ USA
Just a little insight from the NEC Standpoint:

314.16 (c) 2011 NEC

(2) With Splices, Taps, or Devices. Only those conduit
bodies that are durably and legibly marked by the manufacturer
with their volume shall be permitted to contain
splices, taps, or devices. The maximum number of conductors
shall be calculated in accordance with 314.16(B). Conduit
bodies shall be supported in a rigid and secure manner.

IMHO, splicing within an LB, LL, LR, C, T, etc. is not a respected trade practice, and not often seen.



John

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