- Reaction score
- 3,127
Make that pantry light an emergency one. Then you have illum even if the RCD does trip.
Simples!
Simples!
Discuss which is the besst way? in the UK Electrical Forum area at ElectriciansForums.net
If it's a complete ring, the R1+R2 should be the same throughout the circuit, surely.No.
You need to check the R1 and R2 on this spur, but this spur will be short, so will give untypically low figures for R1+R2. You need to record the highest R1+R2 for the circuit, which will be somewhere near the middle if it's a ring, or at the extreme end if a radial, or possibly at the end of a long spur off the ring.
?highest R1+R2 for the circuit, which will be somewhere near the middle if it's a ring
Agree.If it's a complete ring, the R1+R2 should be the same throughout the circuit, surely.
If it's a complete ring, the R1+R2 should be the same throughout the circuit, surely.
If you measure R1 and R2 (or R1+R2) directly at various points on a ring, rather than by doing the figure of eight test, the maximum figure (which is the one to record) should be found at the socket outlet "furthest" from the origin, ie about half way round the ring.
R1+R2 is the result gained via the figure of eight test and should be equal at each point of the rfc.
Yes, I understand that, but are you saying that it is not permitted to measure it directly, like on a radial circuit? ie do you HAVE to use the figure of eight method?
Reply to which is the besst way? in the UK Electrical Forum area at ElectriciansForums.net
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