Use of Singles for Main Earth Conductor and Incoming Neutral?

[ijmac021]

Hi folks, Limited experience here and never come across this before. Whilst I can appreciate the conductors may be the appropriate CSA combined, (I haven't measured them) terminating the Main Earth Conductor in the MET like this with what looks like 4 x 4mm2 doesn't allow for the conductors to be secured sufficiently. I haven't investigated how the Neutral singles are terminated in the Main Switch I'm assuming they are crimped together? Looks dodgy to me but this is how it was originally installed, approx 15 years ago it's a First Floor Flat. From the meter its 25mm tails and 16mm Main Earth to fused switch then up to the flat CU by SWA. Did someone run out of materials when terminating at the CU or is this the norm? We can pretend the Main Switch is in the off position in the pic

 

[Risteard]

It's split concentric cable.

 

[freddo]

The cable is split concentric, used to be common for sub mains but less so now due to regulations. It should be possible to terminate the wires properly in the terminals.

Edit: damn too slow!

 

[Andy78]

As said, split concentric. If you haven't seen it before then today's a schoolday.

 

[ijmac021]

Thank's Gents, every day is a school day! I take it that the N conductors will have a crimp pin connector and the same should be present for the Main Earth Conductors?

 

[littlespark]

Storage heaters on normal board? (Far left breakers) Gonna have high bills

Yes, split concentric. Agree with above.

 

[davesparks]

Thank's Gents, every day is a school day! I take it that the N conductors will have a crimp pin connector and the same should be present for the Main Earth Conductors?

Pin lugs aren't essential, just a bit of care and attention when terminating the strands.