For example, pathway lights are more likely to be 4-5W, while patio bulbs could be as high as 15W. Use this table as a guide – the lights will vary. Here’s a quick guide on how many bulbs you can add to a transformer: Transformer rating You can add as many as you like, providing the total Wattage doesn’t exceed 80% of the capacity of the transformer. There’s no absolute maximum limit on how many lights you can add to a low voltage transformer. How Many Lights Can You Put On A Low Voltage Transformer? This will give you the recommended size of transformer that you should be using. Add up the total Wattage of the bulbs you intend to use in your landscape lighting setup.If you know the lights that you want to use, then you can work out the size of the transformer you need:
It needs to have the power to cope with any surges without damaging your lights or the transformer itself due to overheating. With that in mind, you should be aiming to add no more than 80% of the required Wattage to a transformer. The risk is less now that most lights are made with LEDs, where fluctuations are rarer, but it’s still better to err on the side of caution. You risk overloading the transformer if you add the exact amount of Wattage to it in a circuit.
#VOLT LANDSCAPE LIGHTING TRANSFORMER PROFESSIONAL#
Low voltage lighting transformers will have a rated Wattage – this is the maximum total Watts of bulbs that you could add to the transformer.Įxcept that, ask any professional installer, and they’ll likely disagree. What Size Transformer Do I Need For Landscape Lighting?
#VOLT LANDSCAPE LIGHTING TRANSFORMER HOW TO#
How to calculate the transformer you need.To explain this in a bit more details, I’ll take you through: At the same time, avoid buying a transformer that’s way too big for your chosen lights – poorly regulated transformers can damage lighting if you don’t use enough bulbs. You should pick a transformer rated for 25% more of the total Wattage of lights you intend to use. That’s not the literal dimensions, but instead, the Wattage that it’s rated for. In this article, I’m going to focus on the size of the transformer. It’s so easy to pick up an unreliable one or one that doesn’t meet the needs of your planned lighting. Choosing a suitable transformer for your landscape lighting setup is critical.
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