Parallel Conductors and Plug/Receptacles

[Flapjack]

Does anyone know if cable couplers (plug/receptacles) can be installed on parallel feeder cables (i.e. two sets of 500 kcmil each with a 400 amp rated plug/receptacle)? I can't find anything in the NEC that prohibits this.

 

[GoldDigger]

As long as all of the segments and the connector pairs are identical it seems OK.
But there is an awfully high risk that one will be left unplugged or develop high resistance.
Will this be inspected?
Are you using them as disconnects? Or with flexible cord sections?



mobile

 

[iwire]

Does anyone know if cable couplers (plug/receptacles) can be installed on parallel feeder cables (i.e. two sets of 500 kcmil each with a 400 amp rated plug/receptacle)? I can't find anything in the NEC that prohibits this.

You must be thinking of portable power cables?

In any case what you propose is allowed.

 

[310 BLAZE IT]

Does anyone know if cable couplers (plug/receptacles) can be installed on parallel feeder cables (i.e. two sets of 500 kcmil each with a 400 amp rated plug/receptacle)? I can't find anything in the NEC that prohibits this.

Yes I have installed 3 systems like this. The cables would use a different table as flexible cable in free air so it transitioned from 3 sets to 2 sets in some cases using a tap box. Not considered a tap or anything

Sent from my SM-N920V using Tapatalk

 

[Flapjack]

There are existing Okonite cables in cable tray from 480v switchgear to a 480v MCC. No other cables in cable tray except these. The existing cables would be spliced and cable couplers would be installed. If transformer or switchgear fails, a mobile substation skid would be brought in. Mobile substation skid would have Lapp Olflex TC-ER coiled on skid with a receptacle. Plug on Okonite cable would be plugged into receptacle on Lapp cable to power MCC.