A question and an answer...is it correct?

[Carlos G]

What is the expansion/contraction of 50 ft of PVC conduit located in ambient temperature change of 20 degree F ?

Solution: From table 352.44. For 20 degree F diff= 0.81in/100ft

Then for 50'....0.81/100ft x 50 ft= 0.405 in

 

[raider1]

I got the same answer that you did.

Chris

 

[Carlos G]

Thanks, Chris