SWA cables - fly leading armour as cpc??

[LeeH]

What I hate seeing is the tails being held on by some chewed up w ankey roofing bolt.

6mm brass sets are not expensive!

 

[Ian1981]

What I hate seeing is the tails being held on by some chewed up w ankey roofing bolt.

6mm brass sets are not expensive!

I was or I should say my company I work for was charged £247 for 100 brass M6 25mm bolts , washers and nuts.
CEF as we don’t use them that much they charged that price!!

 

[Pete999]

I was or I should say my company I work for was charged £247 for 100 brass M6 25mm bolts , washers and nuts.
CEF as we don’t use them that much they charged that price!!

Well they got well and truly stuffed by CEF didn't they?

 

[Ian1981]

Well they got well and truly stuffed by CEF didn't they?

Na as soon as I saw the price on the invoice sheet I refused to sign it and declined their goods.

 

[mrloy99]

Na as soon as I saw the price on the invoice sheet I refused to sign it and declined their goods.

Quite rite..CEF have a nasty habit of charging different prices to different people,You really need to price every item first with the c*nts.Brass stuff can be quite a bit dearer but I just seen 100 there now on ebay for £36 plus delivery..so 50p a gland...

 

[Deleted member 26818]

Quite rite..CEF have a nasty habit of charging different prices to different people,You really need to price every item first with the c*nts.Brass stuff can be quite a bit dearer but I just seen 100 there now on ebay for £36 plus delivery..so 50p a gland...

Less if you link 4 glands to the one bolt.

 

[Michaelwgroves]

Just thought I should add for clarity, "You must always use a flying lead when using Piranha nut" Irrespective if it is a solid metal box or separate lid with self tappers, it makes no difference in manufacturers eyes.

 

[davesparks]

Just thought I should add for clarity, "You must always use a flying lead when using Piranha nut" Irrespective if it is a solid metal box or separate lid with self tappers, it makes no difference in manufacturers eyes.

Yes because the contact area to the metal box is tiny if the teeth of the nut are placed against it, far too small to handle fault current.

 

[Pete999]

Yes because the contact area to the metal box is tiny if the teeth of the nut are placed against it, far too small to handle fault current.

Do Piranha nuts have a serrated face? The ones I have used are just a nut with a locking hex screw to ensure good contact and a terminal for the fly lead, or is there something different that I haven't seen, be good to know if there is Dave.

 

[davesparks]

Do Piranha nuts have a serrated face? The ones I have used are just a nut with a locking hex screw to ensure good contact and a terminal for the fly lead, or is there something different that I haven't seen, be good to know if there is Dave.

Yes piranha nuts have four small spikes on the back of them, this cuts in to the enclosure wall and allows single handed tightening of the gland into them. This is what the tag-line of ‘they bite’ refers to on the front of the packet.

 

[Pete999]

Yes piranha nuts have four small spikes on the back of them, this cuts in to the enclosure wall and allows single handed tightening of the gland into them. This is what the tag-line of ‘they bite’ refers to on the front of the packet.

Well thanks Dave, to be honest never used them much as I'm retired, thanks again

 

[bomjac]

Metal box - use serrated washers on each cable termination. By far the best solution. It acts as both ground connection and helps to prevent the lock ring from slacking off over time

 

[Michaelwgroves]

Designers of piranha nut thought the same. But upon extensive testing they found they could not guarantee good earth, that’s why they now require flying lead.
As the piranha nut is much more substantial than a serrated washer, I would not use this method based on thier extensive testing.

 

[davesparks]

Metal box - use serrated washers on each cable termination. By far the best solution. It acts as both ground connection and helps to prevent the lock ring from slacking off over time

Proper tightening will prevent it slackening off over time. Serrated washers are only partially effective for this, nordlock washers are about the only thing that really work for this.