1/16/2024 0 Comments Aluminum to copper wire nutsYou see I want to now buy a new 2.1 system, and the current model i have in mind has a large independent reciever/amp, too large for my kitchen bench top, i'd like to place it back under the kitchen sink, but i'm afraid to do so! If this happened when i was at work, bye bye house :(ĭo you think the power point is safe now (by judging from the pics, and that the 5.1 system was the cause of the problem)?Ĭan i purchase anything I can connect to the powerpoint> to the new 2.1 amp/reciever that will stop this from happening again should the fault lie somewhere else other than the 5.1 system (a safety surge board or something).The only twist-on for aluminum-to-copper connections.The Twister AL/CU Wire Connector is the only UL Listed aluminum-to-copper twist-on connector that prevents aluminum oxidation while providing a secure connection. I was never fussed about poor ventilation for the 5.1 system/amp as it was only ever on for a couple of hours at most in a 24hr period.īut now I just wanted to get some peoples opinions on what really might have happened here. The 5.1 system was only used to provide audio in the kitchen (whilst cooking etc) via 2.1 setup, its placement here suited my purposes better than having it take up bench space etc. I know having something electrical connected under the sink isn't the brightest idea, I pointed it out to him and he was pretty laid back about it (we live in Australia lol), he said "well yer obviously aware it poses a slight danger, I imagine if at anytime you were doing under the sink repair work you would disconnect to be on the safe side, other than that I don't really see a major problem with it" (or along those lines). Now my electrician can't be sure the fault wasn't the power point itself, but he's pretty confident the amp (even if it was off) was the cause of the fault. The dishwasher only had 5-10mins left till it finished, but after a couple of minutes we decided to stop and unplug it anyway.īelow are pictures that show you the stuffed power point, burnt neutral cable, the stuffed plug of the 5.1 system and a new power point that is actually set off from the wall more than the old one (the old one was more flush against the wall). When power was resumed, the dishwasher continued its cycle and spaks/smoke from the power point ceased. The dishwasher was connected AND it was actually on doing a cleaning cycle when it happened. At the time we think the 5.1 system was off, but it might have been accidentally left on all day, but it didn't particularly feel warm to touch, i think it was off. Quickly i dashed outside i turned the mains off, went back inside and pulled the plug out. Sparks definitely from the power point itself and smoke from both power point and old vcr/5.1 sound system. I heard a clicking noise under the sink and saw smoke and sparks. It was a double power point and two devices were plugged in the dishwaser (on the right) and an oldish vcr/dvd/amp/5.1 surround sound system (all-in-one) (but was using for audio only with a 2.1 configuration). I wasn't sure where to post this but I thought perhaps this thread more relevant here than Entertainment Centre.Ī couple of nights ago my power point under the sink blew. I further note that the packages of Ideal twisters (also Buchanan) say "FOR COPPER WIRE ONLY". (could not figure out how to include that in the quote) The statement '"Pigtailing” with Twist-on Connectors Is Not a Recommended Repair' is on page 7 in bold blue about 2/3 of the way down page. Accordingly, CPSC staff believes that this method of repair does not solve the problem of overheating present in aluminum-wired branch circuits. It is possible that some pigtailing “repairs” made with twist-on connectors may be prone to even more failures than the original aluminum wire connectors. Highly variable and often poor performance of twist-on connectors with aluminum wire. Surveys of and statements made by electricians and electrical inspectors confirm the In CPSC-sponsored laboratory testing and life tests, substantial numbers of these connectors overheated severely. The effectiveness of “pigtailing” using twist-on connectors has been evaluated by CPSC staff. The first temporary repair involves pigtailing with a twist-on connector.
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