<p>I didn't do anything special to the rebar, with the possible exception that I don't have a rebar cutter, so I tend to cut 3/4 of the way through with a Sawzall and then bend the rod till it breaks. That leaves a good size burr that works pretty well as a cutting edge. </p>
<p>If you're going to take a grinder to the tip, it doesn't take much more to grind 3 flat spots for your chuck jaws. The odd nubs that make it so effective on reaming out the hole do pretty much the same job on the chuck jaws. At best, it keeps working loose. At worse, well, worse is you get a new chuck. Took me a couple weeks, maybe a couple dozen holes. </p>
<p>Phil</p>
<div class="gmail_quote">On Nov 20, 2010 3:40 PM, "benn kilburn" <<a href="mailto:benn@daystarsolar.ca">benn@daystarsolar.ca</a>> wrote:<br type="attribution">> <br>> Guys,Great stuff. These are just the kinds of things i was wanting to look out for.<br>
> I already have a 16 or 18" mason bellhanger bit, although it likely will not be long enuf, unless i use it with my 16" bit extension which can be use with drill bits or hole saws. I've only been out to the site once so far and neglected to figure out the wall thickness, but that wont be hard, i'll either check at a doorway or at the vent that i'll be pulling that existing teck cable out of. i'll try out the rebar suggestion and make sure i have my carbide hole-saws as well.<br>
> Glenn, good call regarding the possibility of "required" metallic conduit on the DC run. I'll check what Canadian Electrical Code rule covers this.<br>> Phil, even thou i'll likely use my mason bits to start the holes in the plaster/stucco, do you grind down the business end of the rebar in a particular fashion to get a "cutting" edge on it. I"m thinking either similar to a flat screwdriver (which might skid around a bit starting off) or a straight-across cut end with an "X" or "*" cut into the end. And how many chucks did you go thru before you decided to flatten the drill end of the rebar? <br>
> Have a great weekend everyone!<br>> benn<br>> <br>> DayStar Renewable Energy Inc. benn@daystarsolar.ca780-906-7807 HAVE A SUNNY DAY<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> From: <a href="mailto:glenn.burt@glbcc.com">glenn.burt@glbcc.com</a><br>
> To: <a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a><br>> Date: Sat, 20 Nov 2010 15:26:40 -0500<br>> Subject: Re: [RE-wrenches] Strawbale wall penetration<br>> <br>> <br>
> <br>> Would the walls of the bale house be considered part of the dwelling and require careful consideration of whether metallic conduit is REQUIRED on the DC run? 690.31 (E) -Glenn Burt From: <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">re-wrenches-bounces@lists.re-wrenches.org</a>] On Behalf Of benn kilburn<br>
> Sent: Friday, November 19, 2010 2:06 PM<br>> To: Wrenches<br>> Subject: [RE-wrenches] Strawbale wall penetration Wrenches, Short of contacting the builder, i'm looking for your experiences, practices and "look-out's" for penetrating a strawbale exterior wall with conduit. For the project in question there is currently a teck cable from a wind gen entering the home by sharing a HRV vent opening that i want to fix (not my original system by the way) and i will also be adding another penetration for a PV array that i am relocating on the property. The original penetration for the PV was done properly but its not in an ideal location for the re-located array wiring. I'm wondering if it is as simple as using a hole saw extension to go thru the ~16" wall and use an LB/box on either side. I'm sure there is some framework and/or rebar supporting the bales, how do you locate/avoid these when there are no corners to measure from? (it is a round home) Any knowledge if PVC or EMT will react in anyway with the bales? I'm thinking that PVC would be best....? ... i am trying to contact the builder to address this, and also to ask a few choice questions regarding the wiring methods (he?) used in the original PV system set-up. Cheers,benn<br>
> <br>> DayStar Renewable Energy Inc. benn@daystarsolar.ca780-906-7807 HAVE A SUNNY DAY <br>> _______________________________________________<br>> List sponsored by Home Power magazine<br>> <br>> List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br>
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