[AT] Discharge Chains

[Dennis Johnson]

All,

One difference today is that many units and tankers have a coiled up ground wire on a reel of some sort. Not sure that was the case 30 years ago. 
In the oil field this has changed, and failure to us or connect these straps can disconnect your paycheck. I suspect similar enforcement with flammable transports. The issue is static electric sparks causing fires with flammable cargo. 

Thanks
Dennis 

Sent from my iPhone

> On Mar 31, 2016, at 11:51 PM, Ralph Goff <alfg at sasktel.net> wrote:
> 
>> On 3/31/2016 10:51 AM, Ray Trimble wrote:
>> Growing up in Northern Louisiana in the early 50's I would see trucks dragging a chain with sparks flying, Dad said that this was to keep a static charge from building up. What has been done to eliminate the need for these?
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> Probably something to do with preventing static electricity build up. 
> I've tried it with the combine when harvesting. The theory being that
> the straw passing through the moving parts of the combine builds up 
> static electricity and it causes dust to stick to the machine and
> windows. I can't say for sure if it helps all that much.
> Not sure if it would be such a good thing during a lightning storm.
> 
> Ralph in Sask.
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