Convert std light to low voltage/led

18 years ago

I have been having a tough time locating a low voltage landscape light that I like for use as a light on top of two piers on a retaining wall going to my pool. There are plenty of standard outdoor light styles that I do like, but I don't have an easy way to make these usable with standard 120v power. I have located 1W LED bulbs that use a standard medium base. If I use these light bulbs in a standard fixture with a transformer intended to support a total of 10 watts (there are 8 - 0.375 watt bulbs on the circuit right now), I'm assuming this work work. However, before I attempt this, I would like a confirmation. Thanks for the assistance.

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Comments (4)

geniere
18 years ago
No one can answer unless you provide the specifications for the LED lamp and the transformer.
smuggs
Original Author
18 years ago
The transformer will provide a total output of 10 watts at 12v and the LED lamp has an output of less than 1 watt.

Volts: or 12V (DC)
Watts: 0.87 (12V Model)
Lumens: 40 (12V Model)
LEDs: 18
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joed
18 years ago
Should work, but have never actually tried it.
geniere
18 years ago
A transformer is a device that can be used to change the voltage from lower to higher or higher to lower. The voltage output is AC voltage, not the DC voltage required by the LED. It is possible that your "transformer" has a built in rectifier circuit so the output is converted to DC. Such a device, I would call a 'power supply' aka 'wall wart'.

You need to examine the "transformer" device to determine whether the OUTPUT voltage is DC or AC, i.e. 12VDC or 12vac.

You need 12VDC to properly operate the LED lamp.

Since an LED is self rectifying, it MAY work with an AC voltage source but as the peak voltage of a 12vac source is about 18volts, lamp life may be shortened.