<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Usually just by using an ungodly amount of tape, rubber tape and standard tape ! Three layers standard electrical tape then rubber tape then more standard electrical tape.</div><div><br></div><div>The first layer of standard electrical tape seems to help keep the rubber tape from getting pierced by the sharp edges<br><br>Good day,<br><div>Bob Ellison</div></div><div><br>On Jun 25, 2014, at 2:14 PM, "William Miller" <<a href="mailto:william@millersolar.com">william@millersolar.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">Friends:<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">I narrowly avoided catastrophe yesterday. I created a tap connection on a 200 amp main breaker. I wrap split bolts with Scotch 2229 mastic and then cover that with a generous layer of Scotch 33+ tape. <o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">On this occasion, just as I was putting the dead front in place I noticed the glint of metal poking through the mastic and tape. The points on the legs of the split bolt are sharp and the mastic and tape had crept away from this point and exposed a tiny point of metal. This point would have contacted the dead front lightly or at least would have been in close proximity. Had I energized the breaker, I would have had a significant arc. I unwrapped both connectors so both bolts had the legs facing away from the dead-front, creating a good ½\u201d of clearance and then wrapped them more carefully.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">30 years ago I had access to rubberized cloth tape that we used instead of the mastic. I suspect the cloth tape is more durable than the mastic, but I don\u2019t see it in the supply houses anymore.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">How do the rest of you wrap split bolts so you are confident that the mastic won\u2019t creep away from a high point on the connector?<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">Thanks in advance.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif"">William<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><image003.jpg><br>Lic 773985<br><a href="http://www.millersolar.com/">millersolar.com</a><br>805-438-5600<o:p></o:p></span></p><p class="MsoNormal"><o:p> </o:p></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a></span><br><span></span><br><span>Change listserver email address & settings:</span><br><span><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a></span><br><span></span><br><span>List-Archive: <a href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a></span><br><span></span><br><span>List rules & etiquette:</span><br><span><a href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a></span><br><span></span><br><span>Check out or update participant bios:</span><br><span><a href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></span><br><span></span><br></div></blockquote></body></html>