ᐅ Preparing Garden Lighting and Electrical Supply

Created on: 13 Nov 2022 15:06
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DASI90
DASI9013 Nov 2022 15:06
Hello everyone,

Besides irrigation, we are currently focusing on electrical work and lighting in the garden. The outdoor lighting on the house itself has already been planned. We are quite well set up there. Therefore, we don’t want to overdo it in the rest of the garden. However, we want to keep the option open to add accent lighting in certain areas, such as flower beds or on standard trees or shrubs. At the moment, we still need to add around 50 cm (20 inches) of soil. This is a good time to lay the empty conduits underground. These have not been finalized yet. Still, I should create the basic structure soon so we have electricity available at the possible points. What is the best way to plan this, how should the cables branch out, where do the endpoints need to be, and especially in what form, so I remain flexible and it will be manageable to work on later? Our electrician is a good man but rather pragmatic and not the best for discussing such plans extensively in advance.

To avoid unnecessary work, I want to at least lay the empty conduits and install the junction boxes. He will then check and complete the final connections.

We have one cable in front of the house with a 13 mm (0.5 inch) cross-section and 5 cores, and another behind the house with a 10 mm (0.4 inch) cross-section and 3 cores. The latter is intended exclusively for 3 to 6 LED lamps in the garden, which can also be connected together. The cable in front of the house should be branched right in front of the house to provide power for a courtyard gate. But this is only preparation. Otherwise, power should run through an empty conduit over 50 m (164 feet) to the back and supply the pool equipment separately. According to the pool builder, the total power consumption when everything runs together is 3.2 kW. Is all of this okay so far? Do you have any recommended resources to at least estimate whether the power and distance are feasible, etc.? Also, how should the branching points or endpoints for the future devices be designed?
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DaGoodness
13 Nov 2022 19:21
For the lighting, I wouldn’t install any empty conduits at all. Just google “lightpro.” You only need to run a 12V cable through the garden, and you can connect a light at any point along the cable. No power outlets are necessary, and it can be extended as much as you want. You only need a single power outlet for the transformer in one location.

We have this system in our garden and are very satisfied with it.
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allstar83
13 Nov 2022 19:51
I don't really have a direct answer to the questions, but I have electricity available at various points in the garden, including
  • Cistern pump
  • Lawn mower robot
  • Christmas tree lighting
  • Shed electricity
  • Lighting for the playhouse
  • Etc.

Much of it is also switchable and water-resistant, which is quite convenient 🙂
DASI9013 Nov 2022 20:32
The low-voltage system certainly has its appeal. However, I want to be able to control the lights via KNX as well. This setup is already programmed for all our other outdoor lights and is really convenient.
DASI901 Dec 2022 22:18
DaGoodness schrieb:

For the lighting, I wouldn’t install any conduit at all. Just Google “lightpro.” You only need to run a 12V cable through the garden, and you can connect a lamp at any point along the cable. No outlets needed, and it’s easily expandable. You only need one outlet for the transformer.
We have this in our garden and are very happy with it.

Now I have to ask again, since my landscaper is also convinced by this. Is there any way to conceal the cable? Or does it always have to lie on the surface?
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DaGoodness
1 Dec 2022 22:36
You can bury the cable underground. We have rock gardens in our yard, and we simply laid it beneath the stones. It is not visible there.