Well maintained.

vera121 · 31 Jul 2009

Meter/intake room, supplying shops with flats above (ex local authority). This room is kept locked but all owners and tenants have a key. When it rains it gets quite wet in the room.

The MET

Rust

All this is live.

starspark · 31 Jul 2009

crikey!!!!

Adam_151 · 31 Jul 2009

Watch this space, I've got some pics of a place I've been inspecting this week, similar scenero, and justs just say it isn't good

RMS · 31 Jul 2009

starspark said:
crikey!!!!

i'd be worried too if I were you starspark. Another one of your recently satisfactory periodic inspections, don't think the "Limitations" box will get you out of this one!

mattysupra · 31 Jul 2009

what is the red/white/blue cables?

I take it they are all the positive/live wires coming in. But whats with all the colours? Is that different phases or something? The old standard colours?

starspark · 31 Jul 2009

i think its just passable rms

RF Lighting · 31 Jul 2009

mattysupra said:
what is the red/white/blue cables?

I take it they are all the positive/live wires coming in. But whats with all the colours? Is that different phases or something? The old standard colours?

Red, white, blue were fairly short lived standard phase colours around 1950ish

They were replaced with red, yellow, blue, and now brown, black, grey.

mattysupra · 31 Jul 2009

thanks for the answer rf, so it must get a bit confusing where a blue can be live or neutral then and black to add to that on new colours! or is always obvious if the circuit your working on is 240 or 415?

Guess if you always work on 3 phase then it would be easy for you to make a mistake on a 240v circuit? or vice versa?

AndyPRK · 31 Jul 2009

I think this one is the winner for picture of the week

RF Lighting · 31 Jul 2009

To be honest, it's not as big a problem as you might expect.

Proper labelling of conductors / terminals is a must. It is a reg to label every conductor with L1, L2, L3 & N indicators at every junction between old and new colours.

Single phase is not really a problem as you don't have the issue of black / blue swapping their function.

Normally three phase is supplied in SWA or some sort of multi core cable, so it is easy to identify whether cables are old or new colours.

As with everything, proper testing would identify any wrong connection well before you even think about re-energising the circuit anyway.

ricicle · 31 Jul 2009

RF Lighting said:
[Red, white, blue were fairly short lived standard phase colours around 1950ish

Still used into the early '60s.

RF Lighting · 31 Jul 2009

RF Lighting said:
ish

ban-all-sheds · 31 Jul 2009

RF Lighting said:
Single phase is not really a problem as you don't have the issue of black / blue swapping their function..

3-core SWA used for L/N/E?

RF Lighting · 31 Jul 2009

Maybe in that situation, but the cores should be sleeved up with SP colours anyway.

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Well maintained.

starspark

starspark

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