I would like some help with a project. the out put on my A/V receiver plug is120 av at 100 watt .I would like to put in a second power supply through a relay. (IN 120V 100 WATT OUT 120V AT 5 Amps) so when i put the A/V receiver on , the Fan ,sub-woofer and the am antennae signal will work together. Thank you Leo.