circuit breaker tripping ?


C

chuck

Hello,

I have a circuit breaker (i think it's 15 amps, it's been a while
since i actually looked at it) that trips within a second or so of
closing. Apparently there is a short in one of the fixtures, lights,
etc that this breaker feeds in the upstairs bedroom and hallway.

Is there any trick that will allow me to isolate where the short is
without having to dig into all of them. With my luck, it would be the
last one I checked. It's a hassle getting to some of them (example-
light over stairway).

Thanks for any advice.

chuck allen
 
Ad

Advertisements

V

volts500

chuck said:
Hello,

I have a circuit breaker (i think it's 15 amps, it's been a while
since i actually looked at it) that trips within a second or so of
closing. Apparently there is a short in one of the fixtures, lights,
etc that this breaker feeds in the upstairs bedroom and hallway.

Is there any trick that will allow me to isolate where the short is
without having to dig into all of them. With my luck, it would be the
last one I checked. It's a hassle getting to some of them (example-
light over stairway).

Thanks for any advice.

chuck allen
Turn all the lights ON on that circuit, then determine the approximate mid
point of the circuit and open that box, disconnect the hot wires and
separate them, then try to reset the breaker. If the breaker resets,
reconnect the wires then work upstream from that box, going half the
distance from that box to the (approximate) end of the circuit. If it still
trips work downstream from the midpoint box. Go half the distance each
time. Probably a good idea to replace the breaker after you find the fault.
Also keep in mind if the breaker resets the fault may have burned itself
clear during all the testing, in which case reconnect everything and check
each outlet for power using the same method. When tracing the circuit,
just ask yourself how you would have ran the cable using the least amount of
cable and that may be pretty close to how it was actually ran. Each time
you open a box you'll get a better picture as to how the circuit was ran.
 
T

TURTLE

chuck said:
Hello,

I have a circuit breaker (i think it's 15 amps, it's been a while
since i actually looked at it) that trips within a second or so of
closing. Apparently there is a short in one of the fixtures, lights,
etc that this breaker feeds in the upstairs bedroom and hallway.

Is there any trick that will allow me to isolate where the short is
without having to dig into all of them. With my luck, it would be the
last one I checked. It's a hassle getting to some of them (example-
light over stairway).

Thanks for any advice.

chuck allen
This is Turtle.


trouble shooting is never easy.

Try this first. Cut off or unplug everything on the circuit and see if it will trip with nothing running. Then clamp a amp meter on
the breaker and watch the amps as you turn stuff back on. it it trips and the amps don't surge up. it could be just the breaker
it'self acting up. Start here.

TURTLE
 
Ad

Advertisements

C

chuck

Thanks for the advice guys. I actually replaced the breaker already as
the first step. I don't have a clamp-on ammeter so hopefully I can
isolate by the 'cut in half method'.
 

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Top