|Dramatic effects shown here utilizing up-lighting techniques.|
This blog will hopefully shed some light on this subject and reveal some interesting effects.
Using 12 volt fixtures is a simple concept with dramatic results.
In the US, the power source is 120 volts, it's the power we use in our homes for most small appliances. The transformer 'steps down' the power 10 times to ONLY 12 volts, which is much safer for semi-wet environments.
|Think long and hard about durability versus cost.|
Every fixture uses a light source - a bulb of some kind. They can have different power usages, depending on the desired brightness. For example a 10 watt bulb is less bright than a 20 watt bulb and so on. The number of lights on a system determines on the size of the transformer used. All one has to do is add up the total watts used.
For example, we want to light a long driveway, since there are no streetlights.
We design a system with fixtures that throw a 15 foot radius of light from the source and uses a 20 watt lamp to do so. The driveway is 300 feet long. So we calculate that we need ten light fixtures that use 20 watts each. That means we need a transformer that can provide 200 watts total.