Why a Circuit Breaker Trips

Circuit breakers trip for one of two reasons, adirect short causes the amperage to increase
short circuit or an overloaded circuit. A shortcoming through the breaker and when the
circuit being the simplest to explain and theamperage is higher than the rating on the breaker
hardest to repair and an overloaded circuit beingthe breaker trips. When you try and reset the
relatively easy to explain and easier to fix.breaker it will trip right back off. Repairing this
A breaker is designed to regulate the amount ofsituation requires someone with electrical
amperage a wire can safely carry. This is whyknowledge or hire an electrician. Electricity is
most 110 volt circuits in your home are wired withdangerous so don't play around with it. It takes
12 Gage wire and placed on a 20 amp breaker.less than one amp to kill someone.
Quite possibly your home could be wired on 14The other reason a circuit breaker trips is
gage wire and a 15 amp breaker. One could placebecause of overloading the circuit. As I have
a 15 amp breaker on the 12 gage wire a swell butstated a circuit has a breaker protecting the wire
you can NEVER place a 20 amp breaker on 14it is served by. If this is 12/20 then 20 amps is
gage wire.the maximum for the circuit. So, you plug in a hair
See, wire has a rated ampacity that it can carrydyer that is rated at 1500 watts and decide you
and 12/20 and 14,15 are the maximum for eachbetter let the 1500 watt curling iron heat up. Now,
circuit. This is what is violated when a circuita simple calculation watts divided by voltage gives
breaker trips.amps. So, 3000/120=25amps. Your circuit is
Ina short circuit the hot wire is broken or possiblyoverloaded and will trip. Plug only one item in at a
just has the insulation worn enough to maketime or find another circuit for the curling iron!
contact with a ground. When this happens this