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200amp disconect #190353
11/12/09 05:16 PM
11/12/09 05:16 PM
watersparkfalls  Offline OP
Member
Joined: Mar 2005
Posts: 222
Washington...Not DC
I have a 400Amp service with 2 200Amp disconects. Can I put doouble barel lugs on 1 disconect to feed 1 200Amp panel and feed 100Amp back fed breaker.
Thanks H2O

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Re: 200amp disconect [Re: watersparkfalls] #190354
11/12/09 05:47 PM
11/12/09 05:47 PM
G
George Little  Offline
Member
Joined: Jan 2004
Posts: 1,489
Michigan USA
My answer would be yes assuming your load is appropriate. Assuming also you are not overloading the 200a. overcurrent device and the 100a breaker is secured in the panel by a Listed clip.


George Little
Re: 200amp disconect [Re: George Little] #190355
11/12/09 07:12 PM
11/12/09 07:12 PM
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
The only joker in the deck is that the wire to the 100 amp panel should be sized for 200 amps, unless you can apply tap rules to your circumstance. Otherwise, there might be a problem fitting the wire into the breaker.

Re: 200amp disconect [Re: renosteinke] #190357
11/12/09 08:16 PM
11/12/09 08:16 PM
G
George Little  Offline
Member
Joined: Jan 2004
Posts: 1,489
Michigan USA
Reno- If I'm reading his post correctly, this would be a tap to a 200a Service switch. Since he is on the load side of fusing, we are talking feeder. In his case there are no actual feeder conductor, only double barrel lugs. This happens sometimes. Since he is terminating in a 100a overcurrent device he could use 100a. wire. The code reference could be 240.21(B)(1). There is no way he could overload the 100a. conductors since there protected due to the tap limitation mentioned above.

Last edited by George Little; 11/12/09 08:17 PM. Reason: Big fingers

George Little
Re: 200amp disconect [Re: George Little] #190367
11/13/09 03:12 AM
11/13/09 03:12 AM
watersparkfalls  Offline OP
Member
Joined: Mar 2005
Posts: 222
Washington...Not DC
thanks guys.
H2o

Re: 200amp disconect [Re: watersparkfalls] #190368
11/13/09 03:38 AM
11/13/09 03:38 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,251
Estero,Fl,usa
I think Reno may be referring to the raceway requirements and 25' length restrictions for taps. The ampacity part is OK if this is a legal tap.


Greg Fretwell
Re: 200amp disconect [Re: gfretwell] #190369
11/13/09 12:14 PM
11/13/09 12:14 PM
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
Thank you, Greg.


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