Locate the circuit breaker or fuse that controls the outlet you plan to replace and shut off the power to the circuit. Plug a lamp, radio or the GFCI tester into the outlet to test for power and make ...

Lauren is a writer and architectural designer living and working in Brooklyn, NY. In addition to being a writer at Forbes, she works as a freelance architectural designer specializing in residential ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...