Dust tight conduit

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Dennis Alwon

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Chapel Hill, NC
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Retired Electrical Contractor
If it is a hazardous location then pvc is not compliant unless specifically allowed somewhere else in the code. 352.12
 

PEDRO ESCOVILLA

Senior Member
Location
south texas
dusttight also has to do with boxes and fittings, etc. better look at 501 nec, definition of dusttight and class 1 div1 locations, wiring methods. at a quick glance, not approved unless its encased in 2 inches of concrete.
 

don_resqcapt19

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Location
Illinois
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retired electrician
dusttight also has to do with boxes and fittings, etc. better look at 501 nec, definition of dusttight and class 1 div1 locations, wiring methods. at a quick glance, not approved unless its encased in 2 inches of concrete.
For combustible dusts it would be Article 502. It would also be Class II, not Class 1.
 
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