Remove the faceplate by unscrewing the small screw(s) holding it in place. Run the voltage tester along the sides of the receptacle to ensure the power is off. Remove two 6-32 screws holding the ...

Turn off the power, check the wires with a voltage tester, then disconnect and remove the light fixture. Invert the spray foam can and shove the tube up into the gap between the electrical box and the ...