I am running 220v 100 ft to a 125 amp sub panel. A welder would be the heaviest thing used. (around 200 amp welder) what size copper wire would I need running in pvc underground

I took my Dell laptop with me to college and used a cable to hook it up in the dorm. When I came back for the holidays my parents had gotten a new wireless card (BELKIN) for their laptop but said that they didn't change anything else. My computer used to run wireless at this home and my parents...

Hi, We are providing Internet Services to customers by using CAT5e cable with 10-Base-T Hubs and switches. We are placing a 8-port hub with one Uplink port after every 230-240 meter, using this uplink port as a repeater we extend the wire to next 230-240 meters and place a Hub again. In case we...