I have a string of lights that come out to about 280 watts. a single string with 12 gauge wire that came with it. I have ben having problems with the lights coming on and I finally found the problem with the cable connector http://www.homedepot.com/h_d1/N-25ec...&storeId=10051
so I just used wirenuts on the two wires but I notice close to the joint the cable gets pretty warm almost too warm to hold. So I am wondering if about 250 watts or a bit less is too much on about 60 feet of the 12 gauge wire.?