Conductors running in a conduit outside

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DARUSA said:
Do I have to use a sun-light resistance wire if the conduit is exposed to the sun? If so what code section backs it up?
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If the conductor is in the conduit then it is not subject to UV rays or sunlight damage. Standard wire with a W- such as THwn is all that is needed.

Let me clarify- If this is a riser and the wires are exposed to sunlight at the top then you may have an issue there.
 
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