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-   -   Blown fuses while changing switches & receptacles (http://www.diychatroom.com/f18/blown-fuses-while-changing-switches-receptacles-48115/)

marc_easy 07-04-2009 08:59 PM

Blown fuses while changing switches & receptacles
 
My house is currently wired with aluminum wiring and I am trying to update all the receptacles and switches to CO/ALR ones. So far, I have replaced the receptacles in my kitchen and they are working, but none of my switches are working. There seems to be one fuse blowing continuously when we turn the power back on. I have since removed all the switches that I replaced, kept the wires open, and turned my power back on. The fuse still continues to blow. I've tested the receptacles that I have replaced, and they are all working. I don't understand what the problem is. Could one of the working receptacles be causing the fuse to blow still ? Any help would be appreciated. Thanks.

spark plug 07-04-2009 09:49 PM

Mystery of fuse blowing when switch turned on
 
There is a possibility that you mistakenly installed a light switch on a receptacle. Or, if the fuse blows when you put on more than one switch, it's possible that you connected a switch (somewhere in the circuit) on a HOT and NEUTRAL wire! Diagnosing electrical problems takes good old fashioned, step by step testing. There is no magical shortcut, and no assumptions will help!!!:yes::no::detective::drink:Don't drink and Drive!!!

spark plug 07-04-2009 09:59 PM

addendum
 
Quote:

Originally Posted by marc_easy (Post 297223)
My house is currently wired with aluminum wiring and I am trying to update all the receptacles and switches to CO/ALR ones. So far, I have replaced the receptacles in my kitchen and they are working, but none of my switches are working. There seems to be one fuse blowing continuously when we turn the power back on. I have since removed all the switches that I replaced, kept the wires open, and turned my power back on. The fuse still continues to blow. I've tested the receptacles that I have replaced, and they are all working. I don't understand what the problem is. Could one of the working receptacles be causing the fuse to blow still ? Any help would be appreciated. Thanks.

One other possible reason could be that in a 4-wire "Daisy-Chain connected box of a receptacle, you mixed up some wires, and placed both, the HOT and NEUTRAL wires on the same TERMINAL, albeit on different screws!!!:yes::no::detective::drink:Don't Drink and Drive!!!

PaliBob 07-05-2009 04:03 PM

marc easy, I guess that you are finding that Electrical is not so easy
Finding the short would have been easier if you did not replace the switches & receptacles then turn the power back on to find you had a short.

Quote:

Originally Posted by marc_easy (Post 297223)
....Could one of the working receptacles be causing the fuse to blow still ?

Not likely, concentrate on the boxes that contain the switches. Look first at the box closest to the Fuse panel.





Good advice from spark plug

.

Magnettica 07-05-2009 06:17 PM

Electrical is easy, really. :no:

breid 07-05-2009 08:18 PM

spot on mag. breid

jbberns 07-05-2009 09:04 PM

There could be a nick in the insulation in one of the switch boxs.

spark plug 07-05-2009 10:12 PM

Quote:

Originally Posted by jbberns (Post 297653)
[There could be a nick in the insulation in one of the switch boxs].

You're 100% right. But we assume that the visual inspection was ALREADY done! And the problem persists!!!:no::yes::drink:Don't Drink and Drive!!!

spark plug 07-05-2009 10:19 PM

Electricity is easy, Right?!
 
Quote:

Originally Posted by Magnettica (Post 297551)
Electrical is easy, really. :no:

Like some POTENTIAL customer says. "I could have done thaaat!" Oh. It took you all of five minutes. And you're charging SOOO much!!!
That's why I said POTENTIAL customer. Because when I hear any of those phrases, I don't touch that person with a Ten Foot Pole!:no::no::drink:Don't Drink and Drive!!!

jbberns 07-05-2009 10:24 PM

Just thought I would mention it. I came after a guy one time that used a razor knife to score the outer jacket of 12/3. Problem was he scored it all the way to the copper. It was very hard to see at first.


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