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by sgc 2136 days ago
No. The problem was in the 70s, with single strand solid conductors which were legal for only a few years due to fire hazards. Multi-strand aluminum is still used all the time. The single strand can work itself loose if installed quickly/without proper care due to expansion and contraction, it's not a concern for multi-strand. Single strand is also ok for a dedicated line to a single appliance / load, which is what these lights would be.