"The technician dies"? - one would hope a person would have the sense to wear safety gear, per OSHA and NFPA standards, when debugging a ground fault.
Kirk Herander Vermont Solar Engineering 802.863.1202 fax 802.863.7908 VT RE Incentive Program Partner NYSERDA Incentive-eligible Partner NABCEPTM Certified Installer From: [email protected] [mailto:[email protected]] On Behalf Of William Miller Sent: Tuesday, September 14, 2010 1:52 AM To: RE-wrenches Subject: Re: [RE-wrenches] The Demise of WEEB Andrew: You make a very good point in 2) below, however there is one step missing: If a ground fault is occurring, the technician will eventually need to look under modules to find the fault. This is the reason the top-down clips will be loosened. If the module is grounded with #6 wire, the wire will prevent the module from being lifted. Therefore, the lug will also be loosened, un-grounding the module -- creating the unsafe condition you described. WEEB clip or WEEB lug, the technician dies. Should we invent a WEEB jumper cable to maintain module bond while the modules are being lifted? William Miller At 07:44 PM 9/13/2010, you wrote: 2) My biggest concern with the WEEB Clip is that the moment a top-clamp is loosened the module is no longer grounded!!! To me that is not a good grounding method. Mr Wiley is obviously a talented inventor and he makes a strong argument for the quality of the bond that the WEEB Clip provides when the clip is installed properly and all mounting hardware is properly torqued. What I don't understand is the argument that this is as safe of a product as a properly installed outdoor rated lug for the service tech who has to work on that array. A tin-plated copper lug with a stainless steel set screw will last. A service tech working on a faulted array that was grounded with WEEB Clips might not. Andrew Truitt Free agent Golden, CO.
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