Check the electrical load and ensure that the sensors do not exceed the 10 Amp maximum. Test the Circuit When devices in your new box don't work, you start by testing the circuit. Check the tightness of electrical connections along the power supply. How do I wire a mini circuit breaker distribution box that doesn't have bus bars? I have a circuit going to my shed from my house and I want to have two separate breakers inside the shed (one for outlets, one for other stuff) so I bought this from amazon (Amazon. com: 2 Way Distribution Box Circuit. I have a 16 breaker CH electrical panel and only 13 neutral/ground slots. I want to add new circuits (rec room, garage, sump pump, upstair bathroom, electric fire place, micro wave) which will fill this panel.