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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">Dave:</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">I have never been questioned about one of these interlocks by an inspector. I am prepared for it:</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="font-family:Symbol;color:#1f497d"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-family:"Verdana","sans-serif";color:#1f497d">I can show a similar, factory built, approved interlock.</span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="font-family:Symbol;color:#1f497d"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-family:"Verdana","sans-serif";color:#1f497d">I can remove the interlock and demonstrate that even if the interlock falls off, turning on all circuit breakers simply makes the inverter system shut down immediately. There is no risk to life or property.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">If the installation will be inspected I polish up the interlock a bit more than usual and I may paint it. The bright cold galv. gives them a nice look. Or I have a bristle disc that gives a nice swirl finish. I added a close up to the article just now with the swirl.</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d">William</span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">Miller Solar</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">17395 Oak Road, Atascadero, CA 93422</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">805-438-5600</span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d"><a href="http://www.millersolar.com/"><span style="color:blue">www.millersolar.com</span></a></span></p><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#1f497d">CA Lic. 773985</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> RE-wrenches [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Dave Tedeyan via RE-wrenches<br><b>Sent:</b> Tuesday, October 14, 2025 6:19 AM<br><b>To:</b> RE-wrenches<br><b>Cc:</b> Dave Tedeyan<br><b>Subject:</b> Re: [RE-wrenches] Bypass Musings</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">Hi William, </p><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Thanks for sharing. I like your interlocking system, especially for when you need to run a load panel that is >100A. Have you ever had an inspector give you a hard time about making your own interlock, rather than using something listed?</p></div></div></div></body></html>