Main disconnect for Sub Panel

[Mike Hazelwood]

I have main service drop coming to a main panel in the main house. A separate detached guest house w attached garage has a sub panel located in the garage that is fed from the main panel in the main house. Sub panel has 8 breakers. Does the sub panel require a main disconnect?

Thanks for your help.

[Bob Elliott]

NO it does not.

[Robert Meier]

A detached building fed from another building would require a disconnecting means nearest the entrance of the feeder conductors into the building. Up to six circuits breakers would qualify but since you have eight you will need a single disconnecting means.

225.31 Disconnecting Means.
Means shall be provided for disconnecting all ungrounded conductors that supply or pass through the building or structure.
225.32 Location.
The disconnecting means shall be installed either inside or outside of the building or structure served or where the conductors pass through the building or structure. The disconnecting means shall be at a readily accessible location nearest the point of entrance of the conductors. For the purposes of this section, the requirements in 230.6 shall be utilized.
225.33 Maximum Number of Disconnects.
(A) General. The disconnecting means for each supply permitted by 225.30 shall consist of not more than six switches or six circuit breakers mounted in a single enclosure, in a group of separate enclosures, or in or on a switchboard. There shall be no more than six disconnects per supply grouped in any one location.

[Bob Elliott]

Opps missed the seperate building comments

[Robert Meier]

Originally Posted by belliott

Opps missed the seperate building comments

I figured that.

[Michael Larson]

What we don't know is that there may be some tied breakers for 220 circuits so the 6 throws would be met..

Say a range and a water heater.

[Mike Hazelwood]

Thanks Robert. I told the agent that it required a disconnect but wanted to double check myself.