120V or 240V Powered LEDs Circuit 120V or 240V Powered LEDs Circuit. You can activate the LED from 120VAC / 240VAC home electrical installation Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)