These are the latest caravan park poles slowly filtering through into newer parks. The biggest change is the screw on plug. This positively stops a lead being accidentally pulled out. All boxes have a glowing neon so that you can instantly see if the pole is working or not. The highly visible RCD and overload/on off switch is conveniently located on the front of the switch. This is a huge improvement on the older "mushroom" style poles where you needed to bend over and look up to see what was happening. These units are a huge step forward and we hope that the take up rate will be high.