If someone asks me to install a plug for their trailer and also install a new breaker in their panel at their house - what are some questions I should ask? should I ask them to send me a picture of the prongs from the cord? should I ask to see a picture of the nameplate for the air-conditioning...

http://m.ecmweb.com/contractor/failures-outlet-testing-exposed By Adam Olson, Studio Prime http://m.ecmweb.com/contractor/failures-outlet-testing-exposed?page=3 About 10 years ago, I moved to a house five minutes from downtown Denver and decided to turn the upstairs into a recording studio...

on one circuit of recepticals how do you measure the full potentail load, is it full load for the first receptical then half for the next then quarter for the rest?