rewire the light with longer wire 3 or 4 wires 3 would be min 4 would be better if in your light you have a place for it to be hook up what i see is the pic both wires you have need to be hot be different poles to get your 240 vac and a ground that is why i say min of 3 wires if you open the ballast box you can see how they wired it 2 hots and a ground and possably a neutal thats why you might need a 4th wiire if not you can use a reg piece of electric wire that is used in your house for wiring recptices and lights that is in the walls of your home 12/2 or 12/3 wire if you only need 3 wires in your ballast you can use the 12/2 wire use the black and white for the hots and the bare for the ground if you have a place in the ballast for the neatral and ground use the 12/3 wire .black and red as hot white as neatral and bare as ground you will problay need to hook it up in your panal box unless you have a 220 line were you need your light a standerd plug is 110 not 220 rember that most stoves,dryers and hot water tanks are 220 if you need help looking at how they are wired or look up on computer how to basic wiring is done in your home good luck and be carefull rember to shut off power and double chech to make sure that it is off becase electric kills if the conditions are correct