How to Wire a 200 Amp Mobile Home | Hunker How to Wire a 200 Amp Mobile Home Step 1. Turn off the electricity to the mobile home at the meter. Step 2. Unscrew the screws in the top of the box to loosen the large cables coming from.. Step 3. Use a screwdriver and loosen all of the screws on the breakers or under.. Step 4. Look for the Mobile Home Circuit Breaker Boxes Explained mobilehomereplacementsupplies››Maintenance - ExteriorMobile Home Circuit Breaker Boxes – What Are They? What Do They Do? Some people call them load centers, breaker boxes, service panels and so forth. But regardless of what you want to call them, circuit breaker panels play a very important role in your home.