Can I use an extension cord with a Chief Steamer? Knowledge Base Usage Questions Can I use an extension cord with a Chief Steamer? An extension cord can be used on a Chief steamer, but it needs to be made of 12 Gage wiring and no longer than 50 feet. 0 0 Related Articles What if I keep tripping a circuit breaker using my steamer? How many minutes can I use a steamer without stopping? Can I adjust the pressure higher on my steamer? Can you clean with steam only and no chemicals? Can I use distilled water in a Chief Steamer? Do I need hot water injection on my steam cleaner?