Pyro

sammyshooter · Feb 11, 2015

Morning guys, bit of nostalgia for you vets.

Wiring up an MOT bay, went to see the excavation so we can draw up the plan, they pulled some pyro out that was buried 1.5m deep, and was amongst a news paper that had a 1970's date on it.

Gave it a whirl on the tester for banter, still returning <199 Ohms on insulation test between live conductors!

Been battered by the jcb as well.

Pete999 · Feb 12, 2015

trev said:
I too have always used a tiny dab of vaseline, never had any problems presented by it.

Well trev it goes against all I was taught, but hey ho each to his own.

Bobster · Feb 12, 2015

Vaseline has a multitude of uses...

I've never used it with micc, I have used it on bus bar joints, isolator switch blades and fuse carrier blades.

TJ Anderson · Feb 12, 2015

trev said:
I too have always used a tiny dab of vaseline, never had any problems presented by it.

I just stumbled across this in activity stream Trev and gave it a double take

lol.

trev · Feb 12, 2015

Well I was talking about pyro. What's on your mind sweetie

Anthony S · Feb 12, 2015

I always thought the tub of lubricant that came in the packet of ends was to help ease the pot on to stop the cable twisting. How many times you heard the screeching noise where someone is forcing the pot on.

You install and dress it properly, you shouldn't need anything lubricant to strip it with a stripping tool, I use a big screw driver on the bigger gear, using a ringer to get the clean edge.

Smaller gear with a stripper, then ring it off against a pair pliers with the stripper.

Dcf · Feb 12, 2015

A bit screwed rod with a slot in it was good for the bigger stuff.
i found a wipe down with an old bit compound aided stripping with a joistripper.
on the subject of Vaseline I got tasked with sorting out the batteries for central battery em light system.
sorted out the cells and went down to boots with my fresh faced first year laddie
asked for the biggest tub of Vaseline they had to funny looks from the boots ladies......

UNG · Feb 13, 2015

Jonspark said:
Glad to hear your pulling out dodgy cables, sell it for scrap!

What and put some of that even dodgier FP rubbish in it place

Engineer54 said:
Don't think any of the old hands here will be in the slightest bit surprised by that finding. A MICC cable installation installed by competent electricians will out live the installer and his children, even if taking a few bashes over the years, so long as those bashes don't penetrate the sheath.
Probably the best general small to medium multi core cable size system ever produced

Might even out live the installers gran kids

Jonspark said:
and how many explosions have happened by people dropping inspection lamps in to pits?

So it's only inspection lamps that cause explosions

Jonspark said:
i would expect pits to be at least a zone 2 area now so there shouldn't be any standard type portable inspection lamps used

Rather makes a nonsense of your previous comment

ipf said:
....Why have BICC provided a small tub of vaselin with a pack of 10 terms for the last 30 years. I've not always used it but when I have, a tiny bit on starting the strip hasn't made the slightest bit of difference to the integrity of the stuff....might do if your stripping an inch but I doubt it.

Never used any Pyro terms that came with a tub of vaseline

Anthony S said:
I always thought the tub of lubricant that came in the packet of ends was to help ease the pot on to stop the cable twisting. How many times you heard the screeching noise where someone f**ker is forcing the pot on.

You install and dress it properly, you shouldn't need anything lubricant to strip it with a stripping tool, I use a big screw driver on the bigger gear, using a ringer to get the clean edge.

Smaller gear with a stripper, then ring it off against a pair pliers with the stripper.

On the bigger sizes I've always used a piece of 25mm conduit as a stripping bar

Engineer54 · Feb 13, 2015

ipf said:
.....Why have BICC provided a small tub of vaselin with a pack of 10 terms for the last 30 years. I've not always used it but when I have, a tiny bit on starting the strip hasn't made the slightest bit of difference to the integrity of the stuff....might do if your stripping an inch but I doubt it.

Used BICC's MICC for donkey's years, never seen a tub of vaseline in any of the gland/pot seal packs, The MICC seal packs we are using today on this project, also do not contain pots of vaseline.

Knobhead · Feb 13, 2015

Rob said:
Vaseline has a multitude of uses...

I've never used it with micc, I have used it on bus bar joints, isolator switch blades and fuse carrier blades.

A damn site safer than that Castrol green switch grease. That was carcinogenic.

On the cement plant we didn’t use any lubricant at all on switch blades. If the dust got in it would set and the switch couldn’t be opened. I was doing pull ups on an EE 800A switch fuse and still couldn’t shift it.

For busbar joints and many other connections it’s great stuff.

Jonspark · Feb 13, 2015

Sorry UNG, my post was rhetorical.

stevethesparks · Feb 13, 2015

Not used it for a while, but it was the norm during my apprenticeship. My favoured stripping tool was a piece of 1/4 inch rod with a cut into one end and a handle bent into the other.
I never ever like the new fangled pot crimping tool that was introduced in the 70's, I always preferred the screw-on pots. The straightener was a great tool for a real nice finish.

Jonspark · Feb 13, 2015

Dropping powered up inspection lamps into pits to waiting mechanics has in the past actually killed people.

ipf · Feb 13, 2015

Made thousands of the them off over the years. I'm very surprised many experienced lads haven't come across plastic vas tubs. They came in the packet with the terms.

Anthony S · Feb 13, 2015

The lubricant is for screwing the pot on, I've made off untold ends like yourself.

tazz · Feb 13, 2015

I haven`t to be honest IPF, but would imagine different manufactures either add the oil as a kit.

Pyro

sammyshooter

Pete999

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Bobster

TJ Anderson

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trev

Anthony S

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Dcf

UNG

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Engineer54

Knobhead

Jonspark

stevethesparks

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Jonspark

ipf

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Anthony S

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tazz

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