When upgrading or troubleshooting your home's electrical system, understanding the difference between 15-amp and 20-amp ...

One thing that trips people up is the difference between 15-amp and 20-amp outlets, aka receptacles. They sell both kinds at home centers and hardware stores, so how do you know which one goes where?

Receptacle testers are designed for use with specific receptacle types. There several basic types of electrical outlets, including 20-amp grounded, 15-amp grounded, and 15-amp ungrounded. Standard ...