I have 8 1-watt LED step lights, 2 2-watt LED path lights, four 1-watt LED spot lights, and 1 2-watt LED spot light. All using 1 power supply (the one that came with the eight (8) deck lights. I've noticed the last 6 lights in the chain are dim! Do I need a bigger power supply? This is a low-voltage lighting system on my deck. Thanks.
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