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No 12volt supply unless connected to 240v mains

No power in my 12v supply sockets unless the caravan is connected to EHU point ie. 240v.

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The power invertor could be the peoblem, or the fuse to the `12 volt supply sockets

Posted on Nov 09, 2014

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Posted on Jan 02, 2017

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SOURCE: To convert the mains to 12volt supply to 12Volt suppl only

Well, the connector u can buy frm the particular company shop!! but for supply reazon, u hv to desgin plug for particular given vols..or just buy the normal adaptor or variable adopter
and get connect he 4 pin plug on that and enjoy!!

Posted on Nov 10, 2009

jeff_drakesr
  • 155 Answers

SOURCE: Q7 12V socket Inverter Wattage Question

no you need to know the wattage of the item you are trying to power. To find the wattage of the item you are trying to power is simple. Some will say directly others will give you the amps (ie. .5amps, 1.2 amps.) you take the amps and multiply it by the volts that it says. All this info is on the item you are trying to power with the inverter. The answer is what it will take to power that item. example .5amps x 240v = 120 w so in this instance you would need an inverter that would produce at least 120w so in this case the 150w inverter would work. Good Luck, have a grt day

Posted on Apr 01, 2010

Testimonial: "Jeff, many thanks, that explains it perfectly!"

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Your trailer has two electrical systems, 12v and 120v. The 12v system has a battery and perhaps a converter/charger to power it. The 120v system must he hooked up to 'shore power.' Both systems have their own protection. The 12v system has a fuse panel, check for power at each fuse. 12v wall switches are often smaller and don't look like typical 120v switches like in a house.

The 120v system has a breaker box and circuit breakers. Reset each breaker by turning off then on again. In addition, the 120v outlets might have a GCFI outlet near a sink. It often is wired first in a breaker circuit, thus giving GCFI protection to other outlets in the circuit. Test the GCFI and make sure it clicks off and can be reset.

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