HDPE exposed?

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353.12

353.12

Cow said:
What aren't you understanding?
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What I don't understand is why it says HDPE-(schedule 80, right)- is not permitted to be exposed,(353.12.1)-is it a code violation to use it to feed outdoor or indoor meter/service without having the pipe covered by a wall?
 
GJAG said:
What I don't understand is why it says HDPE-(schedule 80, right)- is not permitted to be exposed,(353.12.1)-is it a code violation to use it to feed outdoor or indoor meter/service without having the pipe covered by a wall?
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HDPE is not allowed in a building at all even within a wall cavity per the same section that you sited.
 
HDPE (high density polyethelyne) is the tubing that comes on large continuous reels, often pulled in after directional boring or even plowed in.

PVC (polyvinyl chloride) is the gray plastic raceway we are all accustomed to that comes in 10 foot lengths. The only difference between schedule 80 and schedule 40 is the thickness of the wall of the tubing.
 
GJAG said:
What I don't understand is why it says HDPE-(schedule 80, right)- is not permitted to be exposed,(353.12.1)-is it a code violation to use it to feed outdoor or indoor meter/service without having the pipe covered by a wall?
Click to expand...
See post #4. HDPE is not PVC. They are different materials with different characteristics. Flame spread and smoke production would be two of them. My SEWAG.
 
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