EICR R1+R2 testing requirements

[cliffed]

What’s your thoughts on this, house testing I would say no argument against this, mains isolation & tests can be carried out.
Commercial properties where isolation is not possible i certainly would not do a R1+R2 test, also knowing the EOL near impossible.
Electrician’s are now deducting the Ze from their Zs & putting this on the cert, its so blatant & obvious, why are they even doing that.
It’s similar to “Fudging” Insulation Resistance measurements.
I certainly if required would do a R2 test, but this seems a No, No, amongst shall I say younger Sparkies.
During a EICR there is no requirement to do the R1+ R2

 

[Jock from the north]

What’s your thoughts on this, house testing I would say no argument against this, mains isolation & tests can be carried out.
Commercial properties where isolation is not possible i certainly would not do a R1+R2 test, also knowing the EOL near impossible.
Electrician’s are now deducting the Ze from their Zs & putting this on the cert, its so blatant & obvious, why are they even doing that.
It’s similar to “Fudging” Insulation Resistance measurements.
I certainly if required would do a R2 test, but this seems a No, No, amongst shall I say younger Sparkies.
During a EICR there is no requirement to do the R1+ R2

There are limitations that can be agreed with client including the reasons.if you can't isolate some supplies then that would be up to the client and yourself to organise something like out of hours works at there expense .it's the client that needs the report for insurance or compliance .in the real world it can be a tough one though.if you were doing your r2 test you could just take the zs from highest reading which would be close to end of line if all parrallel paths were disconnected which takes you back to the problem of not being able to isolate circuit to perform test .the main benefit of r1+r2 is polarity is confirmed that's why everyone leans to that method .

 

[Risteard]

Ask yourself what the purpose of dead continuity testing is.

Is it to verify an Earth path before energising the installation? And if so what are you trying to achieve if the installation is already energised? Can a live test verify this Earth path in these circumstances?

 

[Jock from the north]

What’s your thoughts on this, house testing I would say no argument against this, mains isolation & tests can be carried out.
Commercial properties where isolation is not possible i certainly would not do a R1+R2 test, also knowing the EOL near impossible.
Electrician’s are now deducting the Ze from their Zs & putting this on the cert, its so blatant & obvious, why are they even doing that.
It’s similar to “Fudging” Insulation Resistance measurements.
I certainly if required would do a R2 test, but this seems a No, No, amongst shall I say younger Sparkies.
During a EICR there is no requirement to do the R1+ R2

What’s your thoughts on this, house testing I would say no argument against this, mains isolation & tests can be carried out.
Commercial properties where isolation is not possible i certainly would not do a R1+R2 test, also knowing the EOL near impossible.
Electrician’s are now deducting the Ze from their Zs & putting this on the cert, its so blatant & obvious, why are they even doing that.
It’s similar to “Fudging” Insulation Resistance measurements.
I certainly if required would do a R2 test, but this seems a No, No, amongst shall I say younger Sparkies.
During a EICR there is no requirement to do the R1+ R2

Possibly it's because all the training that younger and older sparkies do on say initial verification are taught by all the different schemes like select ,niceic,napit etc that the r1+r2 is the preferred method and its a real faf having wandering leads trailing thru say a Reception area or office.i agree there is a tendency for sparks to find end of line and do there r1+r2 but with class 1 lights etc that dosnt prove each light is earthed just that the cpc reaches last light.any class 1 equipment/lights should be checked which the r2 method would achieve.real life problems comes with access ,working at heights etc and although you get these long r2 continuity poles who is to say they can penatrate the paint or get to an earthing point on some light fittings .I realise r2 testing would be the only viable test method for large buildings .the goal I suppose is to measure earth continuity regardless which method you use.