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Join Date: May 2005
Location: plymouth devon
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Looking at your photos I would think you have the original distribution panel with mcb's and twelve volt blade fuses. And an after market 12 volt power supply. This will give you 110 to any original fixtures a/con, fridge, microwave etc which run at 110 volts 60 cycles. 12volts which normally runs the lights and the blown air heating. The UK plug sockets should only be live at 240 volts 50 cycles. The American 110 sockets if any are two pin with the blades offset. The things to be careful of is knowing who has done what to what. A yellow builders transformer will give you 110 volts but only at 50 cycles fine for heating elements or anything without a motor, but may shorten the life of say the roof air which wants 110 volts 60 cycles. This may also cause the transformer to overheat. You twelve volt power supply is designed to give you up to 25 amp but will only charge the batteries at 5 amps. If you are going to be off hook up much I would start to change some of the bulbs, if you have the lights with two bulbs they are usually 21 watt flasher bulbs so there's 4amps a light, the blown air can draw 6-8 amps per unit, the hot water if it a Bowmans gas one their not bad maybe 1/2 an amp. Fridge is normally gas off hook up or 110 volt when plugged in some have 12 volt for when driving but not very efficient.