Extending An Ungrounded Circuit?

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Old 09-08-12, 01:42 PM
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Extending An Ungrounded Circuit?

It has I believe been stated here that an ungrounded receptacle circuit can not be extended. Does anyone have an NEC cite on that? Does it apply to lighting circuits also? What about switch loops assuming not on 2011 code cycle and neutral is not an issue just the EGC?
 
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Old 09-11-12, 09:43 PM
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Can be extended but you need to tap into your grounding system somewhere.

250.130(C)
Nongrounding Receptacle Replacement or Branch
Circuit Extensions. The equipment grounding conductor
of a grounding-type receptacle or a branch-circuit extension
shall be permitted to be connected to any of the following:
(1) Any accessible point on the grounding electrode system
as described in 250.50
(2) Any accessible point on the grounding electrode conductor
(3) The equipment grounding terminal bar within the enclosure
where the branch circuit for the receptacle or
branch circuit originates
(4) For grounded systems, the grounded service conductor
within the service equipment enclosure
(5) For ungrounded systems, the grounding terminal bar
within the service equipment enclosure

 
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Old 09-11-12, 09:57 PM
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250.130(C)
Nongrounding Receptacle Replacement or Branch
What if the extension is to add a light fixture?
 
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Old 09-12-12, 06:10 AM
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I would consider that a branch circuit extension and would need to have a grounding means.
 
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Old 09-12-12, 06:25 AM
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If you're taking the time to pull an egc, why not just pull a new circuit?
 
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