BTW, a riddle. ICOT mentioned you need two wires for each light, one for the new electricity, and one to take out the used. Why bother with the second. Why not just supply new electicity to the light with one wire?
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BTW, a riddle. ICOT mentioned you need two wires for each light, one for the new electricity, and one to take out the used. Why bother with the second. Why not just supply new electicity to the light with one wire?