The Difference Between 2- and 3-Prong Electrical Plugs (and Why It Matters)
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Unless you live in an older home with two-prong outlets, you probably don’t put much thought into plugging and unplugging electronic devices and appliances.
from Lifehacker
Unless you live in an older home with two-prong outlets, you probably don’t put much thought into plugging and unplugging electronic devices and appliances.
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