Original poster: "Jason Petrou by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jasonp-at-btinternet-dot-com> What is the difference between American Wire Gauge (AWG) and Standard Wire Gauge (SWG) that the brits use? I just downloaded Coreys excel sheet and it uses AWG and I only have the SWG values! Cheers all, <mailto:jasonp-at-btinternet-dot-com>Jason "If it doesn't work, Increase the voltage!"