For all things considered, I've seen worse temp wiring over here in the states before, although most of it didn't have 400V of potential. (Well, once I saw 12/3 NM-B being used in a dept store remodel to power 2X4 troughers, open splices everywhere.. I'd bet 480V was present there )
Ianh, do you folks over there bond your neutral and your earth together in your main circuit board (like we do) or does the utility do it on their side? Just curious due to the open neutral issue...
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