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Author Topic: Running long power cables on grass  (Read 25357 times)

Lyle Williams

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Re: Running long power cables on grass
« Reply #60 on: April 22, 2014, 07:49:27 pm »

Just walking down the street people know not to step in front of a bus, or hurl themselves down the subway stairs.

Just to survive in society we deal with hazards all the time.  Everyone is pretty good at this most of the time.

When we are setting things up it is good to divide our decisions into ones made for safety, ones made for simplicity/practicality, and ones made for aesthetic reasons.

Eg, Power leads across the grass would be a practical decision, permanent underground power would be safer but might require more money or time than you have available.

Choosing black power leads over orange leads is an aesthetic decision.  In most cases quite a reasonable one. But it is good to step back and think about each decision and why it is made.

Following some documented process can be a good thing.  It results in evidence that things weren't just thrown together at the last minute.  If the installation is in accordance with some generally accepted standard (or institutionally endorsed standard) then this would demonstrate that some care had been taken with the work and with people'e safety.
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Jonathan Johnson

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Re: Running long power cables on grass
« Reply #61 on: April 22, 2014, 11:26:18 pm »

Interesting how different events can be.   I show at a lot of antique engine shows.  Almost every engine has exposed moving parts, (Think cranks with a throw of about 10 inches up.  hot parts,  (some with open flame "ignition")  and pinch points everywhere.  Open flywheels range from 18 inches to 22 feet.

The dangers are clear.  The crowds are big.  No one gets hurt.  Here is a typical example.
http://www.youtube.com/watch?v=hiPKRPUcGl8
Be sure to watch the last engine.  Note people stay away but nothing KEEPS them away. Not even signs or instructions.

I can't speak for everyone at every event, but a big part of safety is familiarity with the hazards. Most Many of the people attending an antique equipment show are familiar with the equipment and already know the hazards, and know better than to stick their hands there. At an outdoor concert, most people do not have an understanding of electricity, structural engineering, or audio production. The hazards are either not known or not well understood by them. They may not be expecting a cable there.

But that's most people, not all people. There will be both knowledgeable people and idiots at every event. We can just hope that the knowledgeable ones will look out for the idiots; at some events the ratio is better so the chances of an accident are smaller.
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Re: Running long power cables on grass
« Reply #61 on: April 22, 2014, 11:26:18 pm »


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