Re: [RE-wrenches] MC4s are listed for THWN, right?

2021-04-29 Thread Ray
Hi Glenn; Ahh that's new from NEC 2014.  Thanks for pointing that out, and scratch my previous comment based on experiences in 2008. Ray Walters Remote Solar 303 505-8760 On 4/29/21 11:41 AM, Glenn Burt wrote: NEC 314.15 discusses drainage openings that can be made in enclosures.

Re: [RE-wrenches] MC4s are listed for THWN, right?

2021-04-29 Thread frenergy
Eric,             I like your idea of drilling the weepage holes as long as they are not big enough to allow critters like wasps to make a home inside the J-box.  We will use aluminum tape on unused mounting holes in the back of the box for the same reason. Lurkers welcome. Bill Feather

Re: [RE-wrenches] MC4s are listed for THWN, right?

2021-04-29 Thread Ray
I have been busted by inspectors for "modifying a UL device in a way that is not permitted in its listing", or something like that.  While weep holes make all the sense in the world, and I have commonly seen 1/4" holes drilled in LBs for ground wires, etc; one out of ten AHJs might not like

Re: [RE-wrenches] MC4s are listed for THWN, right?

2021-04-29 Thread Glenn Burt
NEC 314.15 discusses drainage openings that can be made in enclosures. -Original Message- From: RE-wrenches On Behalf Of frenergy Sent: Thursday, April 29, 2021 9:43 AM To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenches] MC4s are listed for THWN, right? Eric,

Re: [RE-wrenches] MC4s are listed for THWN, right?

2021-04-29 Thread Jason Szumlanski
Some junction boxes have specific instructions for weep holes. For scepter PVC junction boxes you can drill a 3/16 inch hole in the bottom to make a nema 4 enclosure nema 3R. The instructions are etched into the bottom of the box. Jason On Thu, Apr 29, 2021, 11:46 AM Ray wrote: > Hi Glenn; >