switches - Why plug is polarized in the US? What are the benefits? - Electrical Engineering Stack Exchange
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Polarization and Non-Polarizaton Discussed by Interpower
Polarized Plug
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Light Duty, Straight Blade, Residential Polarized Plug, 2 Wire Plug,Non-Grounding, 2P, 2W, Plug ，15 Amp ，White, 4pack - Amazon.com
:max_bytes(150000):strip_icc()/GettyImages-170636629-7d6134fb43254a14b7586ca9dfe2e852.jpg "Polarized Electrical Plug: Definition")
Polarized Electrical Plug: Definition
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TradeSelect, Straight Blade, Male Plug, Light Duty, Polarized, 15A 125V, 2-Pole 2-Wire Non-Grounding, 1-15P, White | RP101W | Wiring Device - Kellems
