Depending on code cycle, NEC 300.34 refers to conductors over 600V.
rick brown SolShine Energy Alternatives, LLC Electrical & Solar Contracting Services www.SolShineEnergyAlternatives.com Check, Virginia 24072 540.808.9502 VA Class A Contractor Lic# 2705147660 VA Master Electrician Lic# 2710062762 VA Alternative Energy Systems Installer NABCEP Certified PV Installation Professional 110112-21 > On Oct 15, 2018, at 1:20 PM, Ray <[email protected]> wrote: > > Greetings; > > I've noticed several of the factory wired power panels over the years from > Magnum, Outback, Midnite, Etc are not compliant with NEC 300.34 wire bending > radius. (Radius should not be less than 8 times the diameter) Basically they > should look like sweep bends in PVC conduit, not plumbing. Here's a pic from > a recent Magnum system > > <mhpimhgejcgimblo.jpg> > > You can see the kinks in the insulation on the inside of the bend, and the > color fading on the outside from being overstretched. Some might think this > is neat work, but its actually permanent wire damage and a code violation. > Imagine the strain on the copper inside. > Midnite is very proactive and has improved, I ask that Magnum do the same and > soon. > > Thanks, > -- > Ray Walters > Remote Solar > 303 505-8760 > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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