MY TRITON 80 9.5W ELECTRIC SHOWER IS WIRED STRIGHT FROM THE MAIN FUSE BOX 40 AMP .STRIGHT INTO TRITON SHOWER IN BATHROOM IN PLASTIC TRUNKING,NO SWITCH OR SAFTY CUTOUTS ECT ,SHOULD I CHANGE THE WAY IT HAS BEEN INSTALLED,OR LEAVE IT ALONE,I WOULD LIKE TO CHANGE IT FOR PIECE OF MIND,SO WHAT IS THE BEST AND CHEAPEST WAY ,AT PRESENT THE FUSES ARE 30AMP IN FUSEBOX,PLEASE MAKE ANY HELPFUL COMMENTS EASY TO UNDERSTAND IE STEP BY STEP FROM FUSEBOX TO SHOWER UNIT CHEERS