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Old 03-15-2012, 02:26 PM   #1
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Dedicated circuit question


When you install a dedicated circuit, say for a washer or refrigerator, does the NEC require the receptacle to be a simplex rather than a duplex ?

Arky

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Old 03-15-2012, 02:37 PM   #2
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Dedicated circuit question


Not at all.
There are differences if a duplex is used as opposed to a simplex, but typically a duplex is not a problem.
This is covered in NEC 210.21

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Answers based on the 2008 & 2011 NEC.
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Old 03-15-2012, 02:43 PM   #3
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Dedicated circuit question


Thanks,

What would some of the most notable differences be when using a duplex vs a simplex on a dedicated circuit ?

Also, in what instances does a dedicated circuit need to be 20 amps rather than 15 amps ?

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Old 03-15-2012, 02:48 PM   #4
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Dedicated circuit question


Quote:
Originally Posted by Arky217 View Post

What would some of the most notable differences be when using a duplex vs a simplex on a dedicated circuit ?
The attached load and what rating devices can be used.



Quote:
Originally Posted by Arky217 View Post
Also, in what instances does a dedicated circuit need to be 20 amps rather than 15 amps ?
Depends on what you need it for.
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Old 03-15-2012, 03:49 PM   #5
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Dedicated circuit question


A dedicated circuit can be whatever size you need.

A clothes dryer is normally on a dedicated circuit. Same for the water heater. etc. etc.
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