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Leviton 3032-2 30 Amp, 120/277 Volt, Toggle Double-Pole AC Quiet Switch, Extra Heavy Duty Spec Grade, Self Grounding, Back and Side Wired, Brown - Wall Light Switches - Amazon.com
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Click FPSS205WH Define Stainless Steel 2 Gang 45A Double Pole Switch with 13A Neon Double
Single Pole vs. Double Pole Switch-Double Pole Switch Wiring-Understand How Double Pole Switch Works - YouTube