LG> Recently I was repositioning my desk lamp when the bulb blew. As a result
LG> all of the ceiling lights and most of the wall outlets in the other room no
LG> longer work. I have tried resetting all of the breakers although none of
LG> them were tripped and I still cannot get those lights and outlets to work.
LG> So my current situation is in the computer room where the bulb blew, only
LG> one outlet works. The other does not. In the den area outside the compute
LG> room all ceiling lights do not work but one wall outlet does. I am trying
LG> to figure if it is possible another electrical box is covered somewhere or
LG> the electrical wiring really screwed up. This house about 50+ years old.
LG> Any suggestions on where I should start my search?
My guess is the outlet that does currently work may have the failure
point in it. (With the power off!) Check the working outlet. Wire
could have come loose - or possibly breaks. If there are two
blacks and/or two whites connected to the screws on the side of the
outlet check if the link between the upper and lower outlet has
opened. If pigtailed check to be sure the wires are still together.
If the problem is not in the working outlet check in the next outlet,
which could be in an adjoining room (outlets "back to back"). The
point of failure could be there.
If the problem isn't in the outlets it is probably in a junction box,
generally in the ceiling.
As for the failure being caused when your desk lamp blew, my guess is
coincidental timing. If the desk lamp uses an incandescent bulb, when
these get turned on there is a lot of current flowing -- could have
been enough to kill the wiring problem which was going to fail shortly
anyway. I would now consider the desk lamp problem separately from
the electrical problem.
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