Darren Crannis, ECA Technical Manager, looks at protective earthing systems and unravels the difference between PME and PNB. The distinctions between TN-C-S earthing variants, Protective Multiple Earthing (PME) and Protective Neutral Bonding (PNB), often lead to confusion. Despite both falling under the TN-C-S category, they diverge significantly, impacting design considerations and inspection outcomes. Here we ...

The post Protective Earthing Systems: What’s the difference between PME and PNB? | ECA appeared first on Professional Electrician.