Unverified90% confidenceTradeoffTime unknown
单火线开关无需改线但兼容性差、易频闪、不能带太小功率灯；零火线开关稳定支持所有灯具但需要预留零线。装修阶段应坚持预埋零线选零火方案
1
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90%
Confidence
Long-term
Relevance
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