The bigger source of grief in terms of earth leakage will be if there is a VFD in the box
Although not often done because of cost, it's a general recommendation to install isolating transformers at the input to variable speed drives to localise the protective conductor currents ...
The bigger source of grief in terms of earth leakage will be if there is a VFD in the box
Although not often done because of cost, it's a general recommendation to install isolating transformers at the input to variable speed drives to localise the protective conductor currents ...
