Should we use copper blade crimps?

[chris day]

hello guys

I quite often find that when terminating 25mm tails into a 100a fuse board isolator you do not get the 25mm tails to squash nicely by the main switch thermals like you would 16mm tails, should be be using copper blade terminals instead to ensure a better connection?

 

[Empire]

25mm bootlace ferrule would be better imo.

 

[stevethesparks]

25mm bootlace ferrule would be better imo.

View attachment 49103

What do you use to crimp those as I have found them too thin to be of any use?

 

[DT1991]

What do you use to crimp those as I have found them too thin to be of any use?

It requires a certain crimping tool.
These would be more suited to a Tri-rated type of cable CEFT3 – ratchet crimping tool for bootlace ferrules - https://www.cse-distributors.co.uk/product/ceft3-ratchet-crimping-tool-for-bootlace-ferrules/?gclid=EAIaIQobChMIkeGPpJ_74QIV05TVCh3yIwrnEAQYECABEgJV3fD_BwE

 

[Squid]

Takes me back many years using a hydraulic crimper on 400 mm SWA.

 

[telectrix]

Takes me back many years using a hydraulic crimper on 400 mm SWA.

had you lost your hammer?

 

[Squid]

had you lost your hammer?

I was working with a scouser, you get the picture..........

 

[telectrix]

aaaaaaaaany decent scouser would have nicked the hydraulic tool and flogged it before you could finish your tea.

 

[davesparks]

Using 19 strand tails instead of 7 strand can help a lot with this, they are much more flexible and easier to work with.

 

[mattg4321]

Using 19 strand tails instead of 7 strand can help a lot with this, they are much more flexible and easier to work with.

Be careful as some DNO don't like this. UKPN didn't recognise the 19 strand tails as acceptable when I last enquired. This may have changed now though.

 

[Toneyz]

Weston Power say no to Tri rated into their cutouts.

 

[davesparks]

Weston Power say no to Tri rated into their cutouts.

As do most DNO's and I think it extends to any sort of flex, not just tri rated. But the 19 strand tails I suggested are not flex, they are just 19 strand insulated and sheathed singles.

 

[davesparks]

Be careful as some DNO don't like this. UKPN didn't recognise the 19 strand tails as acceptable when I last enquired. This may have changed now though.

That's odd considering most DNOs and metering companies seem to use them these days.