I recently bought an older home. I switched out the old receptacle in our spare bedroom to be able to accomada
Question:te a three prong plug. I then plugged in a small ac unit which worked fine for a few days then all of a sudden no juice to it. This was after nothing connected to it being on for at least a day. The breaker is fine, everything else wired to it works. Also, I changed out the receptacle just in case.still no juice. What could cause power to all of a sudden not flow to the receptacle? There is no juice at all going to it, and I have no idea. Thank you for any input.
Answers:
Make sure you are looking at the correct breaker to start. If the breaker is working, then start checking any GFI outlets that may be up stream of the outlet in question. Check nearby outlets for power. If everything checks out fine, you have a loose connection in the circuit. Look in adjoining boxes, junction and outlet to see if there aren't loose wires in a wire nut or coming out of a pass-through outlet up stream. A high resistance ground, also called a tech ticker and power detector, the item that lights up near a powered wire, will be useful in tracing where there is and is not power.
check to see if you wired it black wire to brass and white to aluminum,and that you have a good ground, it could be that the ac overloaded the wires and burnt one of them, or that the wires are not tight,and not making a good connection,check with a tester.
Possibly the wire burned into, to much drain on the older wires.
There is probably a GFI outlet somewhere in the circut line, or either you have a GFI breaker. You have already checked the breaker, so it is probably the first. Especially around water, you have to have them so if you do get shocked, it will trip the breaker and wont keep shocking you. You probably tripped a GFI and you need to go through your house and see if there is a reset button on any of your receptacles. If you press this, it will probably reset the circut.
Get a voltage tester and test the "hot" black wire with another extension cord and see if that wire is "hot" if it is than the neutral has a break in it somewhere up line could be in another outlet check the outlets nearby any a/c units should be on a ckt by it self a 20 to 30 amp ckt. 20 amp requires number 12 gage wire and 30 amp a number 10 gage wire. On a a/c unit a larger wire is needed for the start-up load ex if pulls 20 amps that would be 20amps x 225 %start up load factor because of the compresser.
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