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Sparky, I had wondered about the bonding issues with the min-Es on PVC (it is PVC). What do you think?

well i've been busted on it before.... the rationale being mini-Es are not listed for pvc, and do not allow for the pvc to expand/contract. Bonding would follow the definition of 'fitting' vs. 'fastener'......
(please don't go there, or we'll be bonding #100 staples too...) [Linked Image]

in my case i had 4-500kcmil's in 4" sch 80, and used beeline hangers every 30" , the AHJ let it go.....after i bemoaned the wieght of the riser vs. cheesy 4" two hole straps or quickclips..... [Linked Image]

(methinks a similar thread ran a yr or so ago on this?)

as to the definitional application of 'pipe hanger' , i have no white book reference
(or can't find one) ..... my god, we're the nitpickyest trade! [Linked Image]

anyhow,
your truely the Tom Cruise of the industry, carry on!
( you DID wear all black & a ski mask doing this right?) [Linked Image]