Extension cords from WhiteExtensionCord.com are offered in three different lengths for single end cables and four lengths for multi outlet extension cords, all 12 gauge.
They use durable but flexible SJTW jackets which remain flexible in cold temperatures and which can be easily wiped clean.
All are certified by Underwriter Labs and they are OSHA approved.
Operating temperatures are -40 degrees F to 140 degrees F.
All 12 gauge cables from Century Wire are chemical resistant and flame retardant.