juancarlos2003
Member
Dear sirs. THHN/THHW insulation is adequate for underground duct bank installation? Which are the limitations for use?
Proper insulation selection
- Thread starter juancarlos2003
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ryan_618
Senior Member
- Location
- Salt Lake City, Utah
Re: Proper insulation selection
Anything underground is considered to be a wet location, and therefore a "w" must be on teh insulation of the conductor.
Anything underground is considered to be a wet location, and therefore a "w" must be on teh insulation of the conductor.
charlie
Senior Member
- Location
- Indianapolis
Re: Proper insulation selection
Juan, please don't address us as sirs, the ladies may be offended.
Take a look at 310.13 for more information about your question.
Juan, please don't address us as sirs, the ladies may be offended.
Take a look at 310.13 for more information about your question.
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