On Tue, 10 Dec 2013 05:58:54 -0800 (PST), "
tra...@optonline.net"
<
tra...@optonline.net> wrote:
>On Monday, December 9, 2013 7:01:33 PM UTC-5, k...@attt.bizz wrote:
>> On Mon, 09 Dec 2013 00:09:26 -0500,
gfre...@aol.com wrote:
>>
>>
>>
>> >On Sun, 08 Dec 2013 21:57:40 -0500, k...@attt.bizz wrote:
>>
>> >
>>
>> >
>>
>> >>The issue is the next guy who comes along, seeing the 12ga wire,
>>
>> >>inserts a 20A breaker. ...but I'll defer to those with a citation in
>>
>> >>their hot little hands.
>>
>> >
>>
>> >"The NEC does not address what an unqualified person might do". I got
>>
>> >that straight from the NFPA on a proposed change about something
>>
>> >similar.
>>
>>
>>
>> >I suppose I could blow everyone's mind by saying it is legal to use a
>>
>> >40a breaker on 14 ga wire if you are serving a 1HP single phase 120v
>>
>> >motor with internal overload protection.
>>
>>
>>
>> How does the overload protection protect the wiring?
>>
>>
>
>
>The overload protection in this case is inside the motor
>itself. It's a common misconception among home inspectors too.
>Some of them see a 50A breaker going to an AC compressor and assume
>that it has to use the same size conductor that you would use
>for a 50A oven. They see a smaller conductor and flag it,
>though it's 100% code compliant to use a smaller conductor,
>within the rating of the AC unit specs.
>