What is the difference between 2-prong and 3-prong outlets?

Home Alliance Tech Expert

Two-prong outlets are connected to two-wire cables that do not have ground wires to protect people and electrical devices. 2-prong outlets are no longer per code. Three-prong outlets have a ground wire for added protection. It is a new code that all 2-prong outlets be changed out to 3-prong.

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