Grounding flat steel outside the distribution box
Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). Proper grounding is an essential aspect of electrical safety that ensures your home's. If you've ever found yourself scratching your head over whether that metal door on your distribution cabinet really needs a grounding wire, you're not alone. In factories, construction sites, and even commercial buildings, this question pops up all the time. Due to the high hardness of stainless steel, drilling holes later is not only laborious but also easily damages the anti-corrosion layer.
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