What's Happening To Our Cable ?

[norman]

It's futile.

[Adi]

You're favourite chat up line

[norman]

Does this smell like chloroform to you?

[Adi]

lol.

Always keep a bottle in my back pocket on a night out.

[charlie6]

Ref; twelve core; Think I'll double up on the cores to make a six core and see if I can get ten ohms that way.

[QSXS]

Due to the price of copper, we have CCA. I noticed quite a different between CQR and some unbranded CCA. Luck I only purchased 1 reel of the unbranded. See BS4737-3.30, there is a good write-up on CQR website.

If you strip with wire cutters, be very careful, the strands are very easily damaged with little pressure.

Also watch out when tightening in terminal blocks, it easy to shear off.

[charlie6]

Thankyou so much for your insight and excellent post..Well done, you are a breath of fresh air.

[al-yeti]

Due to the price of copper, we have CCA. I noticed quite a different between CQR and some unbranded CCA. Luck I only purchased 1 reel of the unbranded. See BS4737-3.30, there is a good write-up on CQR website.

If you strip with wire cutters, be very careful, the strands are very easily damaged with little pressure.

Also watch out when tightening in terminal blocks, it easy to shear off.

Depends on terminal blocks you use, and if you set you wire strippers correctly

I always use side cutters havnt need wire strippers for years

[QSXS]

I have always striped with side cutters. (Lindstrom 8141)

But you need to control the nip much more carefully or you will weaken the strands.

For those who find precision stripping wire with cutters difficult and pulling strands in CCA, Then I highly recommend ST500 / ST550.

http://uk.rs-online.com/web/p/miscellaneous/2550074952/

 

On terminal blocks, I was referring to the ones in panels, bells and detectors etc. Take Texecom, I do not know the reason why, but I am sure the designer was having a brain fart, at some point during the design.

Most of the terminals are 45Deg, square box design, but the Bell Terminals are 90Deg. and have that metal fin, that is suppose to prevent the screw from damaging the wire, but once tightened, are a bar-stuard to retract and re-insert wires.(Without a paper clip).

This is the same in the Pyronix Delta Bell, Put 90Deg Terminals right next to the plastic wall, come on Pyronix, 45Deg Terminals please.

And while I am on product design, who put the Mains terminals on a Elite24Poly, right under the AUX/Zone terminals. (I suspect, Mr D. K. Head).

There is plenty of space in the bottom left, for it to be safely out of the way.

I know you supposed to pull the Isolator, but how many do?

But it just IMO.  

Edited August 31, 2015 by QSXS

[maguirex4]

Have to say I came across a drum of 6 core that was horribly thin and yes I did notice that my global tamper reading was a lot higher that expected after breaking the cct down and checking the cable with no Installation faults I believe it's the thin cable that gave me a high reading.

It happened to be from an old drum I found in the bottom of a box under a pile of other boxes in my garage.