How To

How to Wire a Camper Trailer?

Some newcomers may ask themselves the following questions when it comes to the subject of power supply in motorhomes: Which power cable is needed to connect the socket to the motorhome? How does this work with the electricity connection at the campsite? What are CEE Camping Adapters and do I need them? In this guide for beginners, we explain which camping cables you should have in your luggage and give tips for proper handling. Also, you will find at the end of the article helpful information for an efficient power supply in the motorhome.

The socket on the motorhome

Almost every motorhome is equipped with an external device. This power connection is usually hidden under a cover at the rear or the side wall of our motorhome. About this so-called CEE junction box, the motorhome can be connected to an existing 220V power supply. Provided of course, we have the right adapter, but more on that later.

The existing sockets and devices in the motorhome, such. B. the refrigerator will now be powered. Incidentally, the body batteries are also charged by the integrated charger. Even the 12 V consumers are available, without the body battery is charged. If the motorhome is “stored” for the winter, so also the cells can be kept fresh. They thank one with longer life. You can also read our Best AGM Battery Reviews to choose the best AGM battery for your RV covers on the market.

The electricity connection at the campsite

Most campsites, and also some pitch, provide a power connection. This way, the power supply can be comfortably covered or the batteries recharged for the onward journey. On campsites in Europe, you should also find the blue CEE socket for the connection in the rule. But standard Schuko sockets are now and then still used.

How much power can be drawn through the electricity connection at the campsite, as well as the prices and the billing? For some pitches, the electricity is included in the room rate, others charge a flat rate or use an electricity meter. It is best first to inform yourself about the price. Likewise, it can not hurt to know the maximum load on the outlet when we were still traveling with the caravan, triggered in the evening, the fuse for the use of our kettle. Unfortunately, no one was available at the campsite to reset the backup. So we sat first without electricity. If we had informed ourselves before, that would not have happened. Incidentally, at some campsites, the fuses are mounted near the sockets.

The right camping power cable

To get the electricity from the campsite’s outlet to the camper, you need a power cable or a cable drum. They are already assembled and equipped with CEE adapters.

This is the safest option as they usually bring the right safety requirements for outdoor use. If you still decide for a cable drum with Schukosteckern, you must pay close attention to the correct name of the cable and the plug. 

The following specifications apply to camp power cables:

  • Maximum length
    The wire may be up to 25 meters long.
  • Cable identification
    Only rubber hose lines with the label H07RN-F and a cable cross section of at least 2.5 mm² permitted. These are suitable for permanent outdoor use under high mechanical loads.
  • Protection of CEE adapter or safety plug
    The plugs and couplings must be at least the protection class IP44. These are spill-water and foreign body protected and suitable for outdoor use.

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The CEE camping adapters

As already mentioned, I recommend the use of a cable drum or a cable with fully assembled CEE plugs. But the use of a standard extension cable is possible if it complies with the rules described above.

Using CEE camping adapters, the normal power cord can be converted into a CEE cable.

But even for a finished CEE cable camping adapters are useful. On the one hand, you can use the CEE cable drum to make a standard extension cable with a Schuko connection, and on the other hand, there is only one household socket available at some of the electrical contacts in the campsite. With these helpers, you are always on the safe side, no matter which cable variant you choose.

Tips for safety

Even if we use the right cables and plugs, we have to follow specific security guidelines. Thus, the protection class IP44 of the CEE or Schuko plug only means that they are splash-proof. In water puddles, they should not be at all, because otherwise, it can lead to short circuits or an electric shock.

  • Do not leave plug connections lying on the floor, especially in the case of rain or rain. We hang her under our camper.
  • Unroll cable drums and extension cables completely. It may otherwise cause excessive heating and damage to the wire.
  • Lay the cable so that it is not a tripping hazard.
  • Even though the H07RN-F rubber hose lines can withstand high mechanical loads, motorhomes or other vehicles should not continually drive over them.
  • Always pay attention to damages and defects. Cables with broken insulation are a danger to themselves and others.
  • Never use cheap or unapproved extension cords. These are not suitable for use under challenging conditions.

The self-sufficient power supply in the motorhome

Who also wants to be independent of shore power, for example

  • a solar system,
  • a power generator or
  • a fuel cell

Use. A combination of the mentioned systems could be useful, especially in winter, for instance, if too little solar energy is available. On the use of a generator you should, but rather do without his camping neighbors in the square, but rather. But when it comes to wild camping, it can be a helpful supplement.

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