If an external high level air-con unit has a rotary isolator positioned next to it, is it good practice to wire the isolator so that it disconnects both L. and N. of the supply?
Z.
The air-con units that I saw were pretty much self contained and were not bonded inside the building. The pipes just ran at high level from outside to the inside of the room and were boxed in. The units would of course be earthed.
I was thinking of a maintenance person being outside on a metal ladder and working on the internals of the outside unit. Of course he could also be contacting between the earthed metal work and ground.
Z.
The air-con units that I saw were pretty much self contained and were not bonded inside the building. The pipes just ran at high level from outside to the inside of the room and were boxed in. The units would of course be earthed.
I was thinking of a maintenance person being outside on a metal ladder and working on the internals of the outside unit. Of course he could also be contacting between the earthed metal work and ground.
Z.
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