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What defines a detached structure #218862 11/28/17 07:28 PM
Joined: Mar 2004
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BigB Offline OP
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Or when does a detached structure become attached? What if there is a masonry patio wall connecting both structures? Or a breezeway? Or a continuous concrete slab? Trying to determine when a supplemental grounding electrode system is required.

2017 / 2014 NEC & Related Books and Study Guides
Re: What defines a detached structure [Re: BigB] #218863 11/28/17 09:28 PM
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gfretwell Offline
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I always assumed it was the building envelope. If you gave to go outside to get to another part, it is another building.


Greg Fretwell
Re: What defines a detached structure [Re: BigB] #218864 11/28/17 09:35 PM
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Yoopersup Offline
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Definition of detached structure. detached structure.

1. A section of a building that is not directly attached to the main building.

A garage that is on a property but not directly attached to a house is an example of a detached structure.

Re: What defines a detached structure [Re: Yoopersup] #218865 11/28/17 11:57 PM
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BigB Offline OP
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Originally Posted by Yoopersup
Definition of detached structure. detached structure.

1. A section of a building that is not directly attached to the main building.

A garage that is on a property but not directly attached to a house is an example of a detached structure.


That definition is certainly ambiguous. Would a masonry wall attached to both structures not be "directly attached?" A porch or breezeway is certainly directly attached.

Re: What defines a detached structure [Re: BigB] #218866 11/29/17 01:19 AM
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gfretwell Offline
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There is a block wall extending from my house to the garage in front, open in the back and the tax man, the building department and the real estate people say I have a detached garage (ground rods etc for the electrical inspector)


Greg Fretwell

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