Be sure that the power distribution box has sufficient power provided to it. Long cable runs can result in a voltage drop, which can be solved by using a heavy gauge wire. Do not touch live parts, turn off the corresponding power switch to avoid the risk of electric shock. Make sure the power supply is. The most common reasons you may seem to not have power, even though the breaker is on, are as follows: We'll take a look at each of these potential problems in detail in this article. Current, voltage, and resistance need to be kept. If your electricity is repeatedly tripping, it's a clear indication that there's a fault somewhere in your electrical system. Overloaded Circuits Cause: Plugging too many appliances into a.