Powerline| Electricity| Electrocution| Powerwire| Video Collection

Eric Frei

This is a thread collection of videos all about incidents with power lines. From training to accidents etc.

This one is instructional demonstrating different materials placed into line contact 7200v line.


http://www.treeworld.info/video/powe...onstration.wmv 6min 31.31mb WMV

This one here shows a guy "hot suited" to work on lines. Note the arcing with the chopper. These are 500kv lines I think.


www.treeworld.info/video/hotsuitchopper.wmv 3.11min 6mb WMV

This is a drugged crazy line walker getting zapped, apparently survived the fall too.


This one here if you look carefully on the slow motion replay shows a branch brushing into the wires right behind the guys head lighting up the street.


http://www.treeworld.info/video/larg...lexplosion.wmv 1.53mb WMV

This one is a 500Kv switch arcing, nice leaps!


www.treeworld.info/video/highvoltagearc.wmv 354kb WMV

This one is interesting, something about a wire splicing technique and a big bang goes with it.


www.treeworld.info/video/powerlineblast.wmv 1.17mb WMV

Anyway, as you come across them please stick them here, they'll be handy reference later. I'll pull off WMV versions as precautions to links going down in time to come.

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Therrin

Ooh! I like the one with the guy wearing the Faraday "hotsuit". Workin up on those big lines. That actually looks fun. I'd like to know how you get the job doin that.

Drouin Tree Service

I worked at the same company that 2 guys got burnt bad,one guy lived and had to wear a wetsuit type thing..not nice

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Drouin Tree Services | Excavator Hire - Drouin and SE Gippsland | Landclearing Melbourne

Eric Frei

Therrin

Remember this thread and this post.

To touch, or not to touch

Now with the hotsuit when the chopper was both dropping him off/ picking him up and pulling away the guy used the probe and you could see the arcing to the chopper yet the chopper wasn't earthed.

Similar to step potential on the ground.

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newguy18

I'll keep an eye for more vids Eric but watching those is enough to make any one cringe.Oh btw the one where they were demoing here in lakeland proved a theory of mine that even if it doesn't spark a limb or tree rubbing the lines is energized and unsafe to climb.Is it true that you can get cancer from working near h.v?

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old schooler

Therrin

Ekka,

yes, I saw it arc'ing out at him. I promise not to work near high voltage lines... at least until I get a hotsuit and chopper =)

Eric Frei

Cancer and HV, not proven and coincidental.

Magnetic fields of high voltage power lines and risk of cancer in Finnish adults: nationwide cohort study -- Verkasalo et al. 313 (7064): 1047 -- BMJ

But this UK study shows some statistical difference.

HPA Press Statement | Childhood Cancer and Distance from High-Voltage Power Lines

However over here many people in a building got cancer and they haven't really nailed the problem.

Hope new study will unlock ABC cancer cluster mystery - ABC News (Australian Broadcasting Corporation)

ABC Message Board - Australian Story Guestbook - Messages

Could be the dish outside, the lighting inside etc ...

In either case, there would have to be some reason. Remember the movie Erin Brockovich, the defendants were also trying to claim statistical coincidence.

I personally believe that there would have to be some cellular impact, cells themselves have energy and electromagnetic fields most likely do something to them over the long term.

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newguy18

Heres one it has nothing to do with trees but it is just another reminder for those of us who do or have gotten close to power that it will kill you.

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old schooler

Eric Frei

Survived the electricity and the fall! Bugger me.

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newguy18

heres another one.

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old schooler

Eric Frei

"Rescuers were told power was cut"

Yeah right, and the poor bastid got zapped.

Unless you see grounded earths in dont assume shit!

If some "expert" tells you it's definately off, tell him to bugger off till the grounding rods are in.

Fact is, even if it is off, 1km away a truck hits a power pole bringing down lines. An energized line now contacts your "switched off" line ... BINGO, YOU'RE ZAPPED.

Trust no-one, see grounds in for your own life's sake, anyone wants to argue, send them up!

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newguy18

I think I'm gonna go in to get certified lone clearance so i can do around the lines where I have trees that are in peoples yards beside power.

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old schooler

bigshea13

ive seen some pretty amazing things not only in line clearence but also as a comercial electrician. lines are silent killers. my brother got complacient and didint put a rope in before felling a 60 foot oak. as he started his back cut he saw that it was hollow. the tree fell across the trani lines. the lines are designed to blow off a certain amount of debris{branches/small trees} most of the time they will blow several times then the faults will kill the line. because the substation was going threw renovations it was set in manual mode. the linesmen had to physically shut it down. by the time they reaches the station the tree had been blasted numerous time. i cant remember exsctly how many times but it eventually caused the tree to explode into flames.
another time a young man just starting out{1yr or so} was felling alongside the kvs. something went wrong. they found him in a kneeling position as if frozen in time. there was nothing left of him except a charred figure. the nearest they could figure was that he was trying to pull the tree back on course after an inital poor cut. im sure there are hundreds of misfortunate stories. bottom line.......pay attention and dont cut around them unless your trained to understand the basic properties of electrity and how it behaves.

arbdog

This isnt about lines but the how electricity liked this tree. http://www.liveleak.com/view?i=b83_1186800771

Eric Frei

That was a direct hit well caught on camera, I wonder how that tree's going now?

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newguy18

dang.i'll bet he peed himself being that close.My uncle had a cow get killed standing under a tree when lightning struck it.it wasn't hit directly it died because it was standing on the roots.

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old schooler

azrael

When I was a kid growing up on a sheep/wheat farm, there was a whole flock of weaner lambs killed under a White Cypress Pine struck by lightning (Callitrus glaucaophylla). Their legs were all burnt.

Eric Frei

Well, saved BBQ'ing them then. Grubs up.

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azrael

LOL

bigshea13

most people think that the tires in their vehicals are the reason they dont get electricuted inthe event of a lightning strike, but thats not true. air is the best insulator and the bolt travels many miles threw it to ground. it would take a stack of tires over a mile high to deter a lightning bolt. what happens is that a " farradays cage" effect takes place. the juice is so heavily concentrated that it flows around the outside of the car{metal ones/ sucks to be you in a fiberglass one} and into the ground. thats the mikey mouse version of it. i havent looked on line but if you think the visible lighning bolt are fascinating look up "sprites" nasa thinks these buggers may have been reponsible for one of the shuttle disasters.
keeping in mind that energy is neither created nor destroyed you have to wonderwhat the hell else is out there that we cant see.

ps your tires still save you from a downed power line....so stay in it if one falls on ya.

Steve Tipton

Tyres contain a lot of carbon, which is a good conductior, and most have steel belts as well.
I saw a crane that had contacted 33kv overhead. Al the tyres were blown and the timbers under the stabilisers had burn marks through them.

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Heightmaster

spidermike

i worked for nelson tree for 9 years i have been hit with 7200 vots made me piss on my self and had a friend hit with 69000 vots lived but knot him out in the tree come 2 was a little f up but ok i was in tree work for 3 weeks i almost quit