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fom
冰心玉壺
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樓主  發(fā)表于: 2015-12-08 20:54
800米以上遠距離控制門(mén)鈴要多粗的電線(xiàn)？
fxm1986
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1樓  發(fā)表于: 2015-12-11 17:03
功率很小，電流也不大，
用細的線(xiàn)也可以0.3就差不多了。但線(xiàn)細了容易斷，不過(guò)費用低。
用粗一點(diǎn)也可以，但費用就貴了。
所以了，線(xiàn)多就用粗一點(diǎn)的呢，線(xiàn)少就用細一點(diǎn)的了

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