Does the strength of solar lights decrease with distance? How far lights can be from panel without power loss?
I have three solar spot lights, each connected to ONE approx 4in x 4 in solar cell panel with 20ft. plastic covered wires. Will the current decrease if the lights are attached with 40ft wires? How far can I place the lights without weakening the flow of power? Will the wires withstand 45 C sun? Can the wires be replaced with any other kind that would stand higher sun temperature for 3 months? Can’t replace anything except wires where I am.
Yes. If you are talking about solar tube light systems, then the light does decrease the further away you get. With solar light transmitted through fiber optic cables, the light decreases in relation to the length of the fiber optic cables.
But maybe I misunderstood your question. If you have a solar photovoltaic panel that collects energy form the sun and then runs that electricity through a wire to a spotlight, then no, the light strength would not decrease with the distance of the wires. These solar spot lights are commercially available in lots of stores for less than $100 and ofter have different length wires or cables available as options.
The question of whether the wires will withstand hot temperatures is best answered by the specific manufacturer of your wires. Generally speaking, they should be fine, even on a hot day.
Note that if you replace the wires, you may void any warranties that came with the light system from the original manufacturer.
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