Perhaps you can shed some light on this condition for TNCS systems in the Irish Rules. I can only see that as RE decreases RB becomes more onerous but to be honest I am not really getting the essence.
I am trying to figure out how to draw a simple line diagram to illustrate a layout such as that described, but failing to picture it in my minds eye.
The only example I can think of would be a steel lighting column with its base buried in the ground and supplied by a TN electrical system without a protective conductor connected to it.
Which makes me think I am getting this completely wrong.
I am trying to figure out how to draw a simple line diagram to illustrate a layout such as that described, but failing to picture it in my minds eye.
The only example I can think of would be a steel lighting column with its base buried in the ground and supplied by a TN electrical system without a protective conductor connected to it.
Which makes me think I am getting this completely wrong.
