Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Joerg Newsgroups: sci.electronics.design Subject: Re: Very slightly OT: Circuit breaker compatibility Date: Sun, 12 Mar 2017 07:14:01 -0700 Lines: 52 Message-ID: References: <0be36c68-424c-419c-bfca-fec9bee50534@googlegroups.com> <87d236bd-4d0a-4ecd-8231-8a460012e5ab@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net QzK3dt9+AOPYlK8dKu+uYwfX/+7sBLsa3vw/HF5bnxRtOyVRaE Cancel-Lock: sha1:IHToFZkAna/uRtaoEACgRrlI3xQ= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6) Gecko/20070728 Thunderbird/2.0.0.6 Mnenhy/0.7.6.666 In-Reply-To: <87d236bd-4d0a-4ecd-8231-8a460012e5ab@googlegroups.com> Xref: csiph.com sci.electronics.design:451472 On 2017-03-11 16:33, Lasse Langwadt Christensen wrote: > Den søndag den 12. marts 2017 kl. 01.02.29 UTC+1 skrev Joerg: >> On 2017-03-11 13:27, Lasse Langwadt Christensen wrote: >>> Den lørdag den 11. marts 2017 kl. 21.34.21 UTC+1 skrev Joerg: >>>> On 2017-03-11 12:09, Don Y wrote: >>>>> On 3/11/2017 12:53 PM, Joerg wrote: >>>>>> Ok, not electronics but electrons flow here: >>>>>> >>>>>> I just disassembled a panel that was so throughly botched by a "licensed" >>>>>> electrician that major corrections are in order. Among many mistakes >>>>>> he didn't >>>>>> properly protect it from the elements, a breaker has rusted and the >>>>>> tap-off is >>>>>> loose. Needless to say, the usual ancient stuff. Question: >>>>>> >>>>>> Can I replace EQ-P breakers from ITE with these from Siemens? >>>>>> >>>>>> http://www.homedepot.com/p/Siemens-25-Amp-Double-Pole-Type-QP-Circuit-Breaker-Q225/100183751 >>>>>> >>>>> >>>>> In general, its easier to just spend some time hunting down a "genuine" >>>>> replacement. eBay, local "construction surplus" sites, folks who "reclaim" >>>>> demoed buildings, etc. are good starting places. >>>>> >>>> >>>> That will be very tedious. >>> >>> http://www.ebay.com/itm/310392921860 >>> >>> ? >>> >> >> I found a whole slew of those. However, you also see breakers like that >> at yard sales and typically their contacting screws are rusted shut. The >> material quality wasn't all that great. That also was the case for all >> the breakers I tore out of this panel. I had to snip the wires as there >> was no way to loosen those screws one more time. >> > > http://www.ebay.com/itm/190797335710 > Provided they did not store it in the basement, attic or garage for 30 years. In the verious listings nearly none of the photos shows the screw terminal. That's the part that rusts out and makes a breaker de-facto unusable. That is what ruined all the ones in the panel I was dealing with (non-heated room), even one that was never used. -- Regards, Joerg http://www.analogconsultants.com/