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The Malibu 300-watt power pack with timer… |
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In a nutshell, a low voltage transformer turns the light from the standard 120v current that runs into your house into a safe, shock-free 12 or 24 volt current. This makes it easy to install lights anywhere around you home. You won’t have to hire an electrician, dig big trenches beneath your lawn, or do anything else that you may have heard await outdoor lighting installation. Best of all, low voltage lighting transformers are cheap, so you won’t break the bank installing them either! For more information, check out a few of the most popular models to the left or read on about where and how to install them.
Where is it Safe to Use A Low Voltage Transformer?
Essentially, you can use a low voltage transformer anywhere inside or outside your home if you want hook up a low voltage lighting system. These lights can be used for anything from outdoor accent lighting to security lighting. You can even use them around pools and ponds and they will still be shock free because the electricity running through the wires is low enough not cause any harm. However, while the wires coming out of the transformer are shock free, the transformer itself still has a 120v wire running into it so make sure this is in a place where it’s not going to be in the way.
Some places that you can use low voltage lighting include:
- Walkways
- Steps
- Driveway Lights
- Decks or Patios
- Trees, flowerbeds, and shrubs
- Pools and ponds
Finding and Installing the Right Low Voltage Lighting Transformers
If you want to use low voltage lighting in your landscape, the first thing that you have to do is make sure that you find the right landscape lighting transformer. This can seem a little tricky to the novice, is really quite simple once you catch on. The first thing that you have to do is add up the wattage of all the lights you plan on lighting with the transformer. Then, add 25 percent more to this number to account for voltage drop from the line and you should have the amount of wattage that you need your transformer to be.
As an example, assume you have five 12 watt lights that you want to connect to a low voltage landscape lighting transformer. Add the wattage of the five lights together and you have sixty watts. Add 25 percent more to this number (60*.25 = 15, then 15+60 = 75) and you have 75 total watts. Once you have this number you know you need a transformer that can handle at least 75 watts.
Once you pick you transformer, you need to install it. While these systems are usually shock-proof and easy to install there are a few common sense things that you need to do to make sure that you get the most out of your lights. First, never place the transformer or powerpack somewhere where it will be sitting in standing water for lengthy periods of time. These transformers are still have to sustain water damage if they spend too much time dunked, so try to place them up out of the ground, either on the side of your house or a post in a discrete location to hide them.
It’s also a good idea to still place the cables that you run under a small amount of soil. This will help prevent them from weathering so you won’t have to replace them as soon and you will also remove a trip hazard. The cables may be shock-proof, but a wayward step can still bring your transformer and all your lights tumbling down.
And finally, always remember that voltage drop in low voltage systems is much more noticeable than in standard voltage systems so try to make sure that you place the transformer as close to the lights you’re placing as you possibly can without putting it in a bad location.
Low voltage lighting transformers give you a great way to add some light and sophistication to your landscape without breaking the budget as long as you install them right. Check out some of these bestsellers to get started with installing your own transformer.




















