For those that want to use the more efficient option of running lights on 240v through a 120 volt receptacle(240 volt female end with 120 volt male plug). We advise extreme caution when using this Multi Volt Power(MVP) cord. THE USER MUST MAKE ABSOLUTELY SURE THAT THE 120V RECEPTACLE HAS 240 V CAPACITY. New Age Gardens is not liable for ballast failure due to improper usage of this cord. MVP power cord is 8'