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Re: Inspections: (was Re: mixed voltages in Altronix ALTV244 box)



20 amp circuit uses 12ga wiring; a 15 amp uses 14ga wiring. Remember,
LOWER gauge means THICKER wire.  You can use bigger wire on lower amp
circuits but not thinner wire on higher amp ones.



From:smile4camera@xxxxxxxxxxxxx
smile4camera@xxxxxxxxxxxxx

>> So the fact that 18 AWG is much larger than is needed for the power
>> requirements of any given device is quite irrelevant to the
>> responsibilities of the inspector. And so whether he understands
>> that or not is also not important.
>>
>> What matters is that if a device is not marked as Class 2 (as all
>> the wall warts in your house _should_ be), the National Electrical
>> Code that he is enforcing *requires* it to be treated as if it did
>> not have Class 2 intrinsic power limitation  and so would need to be
>> treated (at least) as Class 1 (=< 30 volts and =< 1000VA with
>> related higher wiring requirements) in order to assure safety to
>> people and property according to the Code.
>
> As a quick aside.. the above makes sense to me. As with standard
> 120vac wiring, the wire size is not calculated from load current but
> from circuit protection... a 20a circuit breaker will use 14g wire
> (IIRC). Please correct me if I'm wrong.
>
> Back to the power supply.. as there is no partiton between high and
> low voltage, and I don't really have a choice about using this
> particular power supply, can anyone suggest minimum (code) or better
> on how to properly hook this thing up?
>
> Thanks,
>
> Jim
>
> and here I was about to unroll 1 kay feet of Cat 5 to see at what
> footage it goes from glowing to burn up..




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