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Pick up a piece of fine-grit sandpaper from a home improvement store. Very lightly, rub the sandpaper all over the door. This should make the surface look dull and scratched, preparing it to hold paint.  To remove stubborn debris, scrub the door with a damp rag. Wipe the door with a clean cloth when you’re finished to remove any moisture and debris. Spread a layer of painter’s tape over the wall. Press it down to ensure that it sticks in place. You may also want to move any furniture out of the area to avoid a painting mishap.  Ventilate the area by opening nearby doors and windows. Wear gloves, a respirator, and protective goggles. You probably will not need to protect the floor, but if you want to be safe, spread a drop cloth or newspaper underneath the box. Get a can of primer at a paint supply store. Shake the can for a few seconds, then spray over the door. Work from side to side, moving the can slowly in order to coat the door in an even layer of primer. Before you buy primer, read the label and make sure it is compatible with metal surfaces. Most primer begins drying after about 30 minutes. To stay safe, wait a whole day for it to dry and settle. This ensures the paint sticks without cracking. over the door. First, choose a spray paint that is labeled for use on metal surfaces. Use a color of spray paint that matches with the rest of your wall. Shake the can for a minute, then spray the paint over the primed surface. Work slowly, spraying from side to side across the box. To get an even coat of paint, avoid rushing. After about 5 minutes, the first layer of spray paint will have settled. Go over the circuit breaker box again. Spray on a second light coating of paint using the same technique as before. You may need to repeat this step a couple of times before the paint looks nice and even. Once your circuit breaker box looks good, set the spray paint aside. The paint will soon begin drying, but to be safe, leave it alone for a whole day. After the paint dries, your circuit breaker box should blend in pretty well with the rest of the wall. For additional decoration, try making and arranging your own magnets.
Sand the circuit breaker box door with 120-grit sandpaper. Tape around the circuit breaker box. Spray primer over the door. Wait 24 hours for the primer to dry. Paint Add another coat of paint to cover the box. Wait 24 hours for the paint to dry. Decorate the box with magnets or other supplies.