disconection times for tt, tncs tns
- Thread starter electro
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TNCS - 0.35ohms (max)
TNS - 0.8ohms (max)
TT - 1667ohms (max)
AndyGuinness
TNS - 0.8ohms (max)
TT - 1667ohms (max)
AndyGuinness
Jono Pashley
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Disconnection times andy 
Oh ballcox sorry guys, second time today I have screwed up on here:_|
AndyGuinness
AndyGuinness
Jono Pashley
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I think for circuits upto 32A and not for distribution its .4s on TN and .2s TT, circuits over 32A and for distribution 5s for TN and 1s for TT. May be wrong but not going to van for big red in this weather
Jono Pashley
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Values are correct see reg 411.3.2.2
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Jono Pashley
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yes
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