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Would like to know What is the 24V wiring for? Did you do it yourself or what is the cost if you hired others to do that? Thanks.
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YES。走外墙是比较麻烦,有的还要改蓝图,由于还要影响保温,还要通过INSPECTION。。。- Y/ o' f4 k0 c+ U
必须按照BUILDING CODE..3 v$ }' T4 f3 o
500是狠了点,同情一下。多交流。。。