earth resistance

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YOUR Unread Posts

• 

  Does SWA need RCD on a TT?

  dont you mean 1.37 ohms or 1.1 ish at 80% values. maybe with many rods mates or structural...

  • Latest: newfutile
  • 42 minutes ago

  UK Electrical Forum
• 

  TN-C-S System Max Zs for Final Circuit Protected By 30mA Type B 16A RCBO

  A 16 amp type B would be closer to 2.18 at 80% values. but at a push you could go up to 200 ohms...

  • Latest: newfutile
  • 45 minutes ago

  UK Electrical Forum
• 

  Are singles the same as the conductors within twin and earth, just with the grey outer removed?

  Lucien may well have contributed, but it was gruff, accurate reply of Davesparks I remember.

  • Latest: HappyHippyDad
  • 55 minutes ago

  UK Electrical Forum