It highly easy the these box sinkers and typically a square hole in breeze block or concrete blocks can be produced in around 1 minute 30 seconds with full installation on the metal electrical back box in under 2 minutes. It’s not only electricians that are checking out electrical hand tools. There are some “handymen” who are buying them for them to do activity themselves. Now, it’s always advisable to positively get the assistance of a professional for complicated Electrical…