Discuss Supply characteristics and earthing arrangements in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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Can any one of you good people help me with this?

On a DEIC/EIC would I be correct in saying that the box for Ze EXTERNAL EARTH FAULT LOOP IMPEDANCE, applies to maximum stated ohmic values for the type of supply. Such as TN-S 0.8, TN-C-S 0.35 etc.

As there is always another box for measured Ze later in the form.

Muchas Gracias!
 
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I put the measured value in mate I don't think there's any point in putting the maximum allowed in. I stand, as always, to be corrected though
 
S

SirKit Breaker

I always measure, it confirms a lot of important things. Zs is all well and good, but it includes parallel paths, where as Ze doesn't if done properly.

Cheers...........Howard
 
E

Edd

Its the mesured value,, Dont wana be asuming you have a reliable incoming earth when infact its the leaky pond pump giving that 0.11 Ze :)
 

Strima

-
Arms
Esteemed
Always measured where possible. No point having the best installation in the world with crap earthing arrangements.
 
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