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If you need a power connection in the garden, you cannot avoid laying an underground cable. Our step-by-step instructions reveal how to proceed.If you love your garden, you don't just care for it. Because to be able to illuminate the garden beautifully in the dark or to supply various electrical garden installations and devices, electricity is required. Since the electrical system places the garden on the same level as a damp room, all components used must first be suitable for this application, i.e. a protection class of IP44 or higher is required. For outdoor installations, it must be protection class IP65 or IP67.
If garden lights, pond pumps or other devices are to be supplied with power over several seasons, it is worth laying underground cables.
Correct installation - step by step
If you want to supply atmospheric lighting, a pump or just external sockets with electricity, you must first lay underground cables. These special cables are particularly well insulated and therefore tolerate moisture, frost and weather. A plan is required before laying can begin. That means you think in advance where you need a power connection.
A little hint: The laying of empty pipes saves having to dig up again later.
- Where later the cable is supposed to run, an approx. 60 cm deep trench is dug out. A previously drawn cord makes this step easier.
- The bottom of the shaft is then filled with a 10 cm layer of sand. The underground cable is then laid directly on the sand. This is made more valuable by the use of empty pipes. However, a pull-in spiral is required to pull in.
- If the underground cable is laid, a 10 cm thick layer of sand is applied again.
- Cover hoods are used to provide additional protection for the cable harness. You can get these from the hardware store or electronics store.
- Under no circumstances should a so-called warning tape be dispensed with. This is slightly above the cover. When earthwork is carried out again, it is immediately apparent that there is an earth cable here.
- In the last step, fill up a layer of sand again and your underground cable is laid.
Think toowhether a junction box or junction box is required. An outdoor floor tank can serve as a distributor housing to enable multiple simultaneous connections. Depending on which devices are to be operated with this, an additional floor tank for a transformer may be necessary. Another possible application of the floor tank would be as a valve box. The outdoor floor tank should close with the lawn so that it remains easily accessible via the removable lid.
Alternatives to the wired variant
If this procedure is too much work for you, you can keep an eye out for battery-operated devices. For example, many garden lights or garden tools are already operated with solar and battery. The disadvantage here is the frequent changing of the batteries or recharging the batteries. For this reason, many lights already have their own solar cell, which ensures that the built-in battery is charged automatically.