Originally Posted by hbiss
And it's not just Jersey. Did you also know that if the space above is an air handling space you can't use plastic "grommets"? We use 1/2" die cast chase nipples. Just drop them in the 7/8" hole you just made with a hole saw.

-Hal

I should have known that but it never came up. doh!

I wonder if the make plenum rated comments? Need to see if they do.


Patrick T. Caezza
Santa Paula, CA 93060
C-7 - Low Voltage System Contractor - Lic# 992448