Discuss Shower feed wired in wrong in the UK Electrical Forum area at ElectriciansForums.net

Sorry to be a thickoo guys just reading this interesting thread and wondered whats an r1 + r2 ??


R1+R2 is one of two ways of carring out the "Continuity of Circuit Protective Conductor" test.


DEAD test, safe isolation and prove it's dead before carrying out the test

A temporary link installed at the C/U (or I prefer to take the live conductor of the circuit and put it in the earth bar), test at shower between Line & Earth with a continuity tester.

Then you would get your result in Ohms, and check that in accordance to table L1 On-Site Guide BS7671:2008


:)
 
Last edited by a moderator:
the answers are all there, grasshopper, all you need to do is seek the truth.
 
R1+R2 is one of two ways of carring out the "Continuity of Circuit Protective Conductor" test.


DEAD test, safe isolation and prove it's dead before carrying out the test

A temporary link installed at the C/U (or I prefer to take the live conductor of the circuit and put it in the earth bar), test at shower between Line & Earth with a continuity tester.

Then you would get your result in Ohms, and check that in accordance to table L1 On-Site Guide BS7671:2008


:)
or in one sentence.

R1 = line
R2 = cpc
Rn= n

bassically combined resistance of line + cpc (link together and test at other end)
 
or in one sentence.

R1 = line
R2 = cpc
Rn= n

bassically combined resistance of line + cpc (link together and test at other end)

and then if you so wished, if you know the approximate length of the circuit, you can compare your measurement with the value in the resistance tables.
If they widely differ, that would imply there's a fault somewhere.
 

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