Use only a UL-, CSA-, or ETL-rated extension cord for outdoor, all-weather use, such as the Snow Joe®+ Sun Joe® SJTW-A 14-gauge 50-foot extension cord with lighted end (Model PJEXT50-B). Visit snowjoe. com to purchase this extension cord online or, to order by phone, call 1-866-SNOWJOE (1-866-766-9563).