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Old 10-23-2014, 10:17 PM   #15
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The aluminum shell is going to do a great job of carrying a lightning bolt around the interior of the trailer to ground.... Unless it is hit with a mega huge lightning bolt, a huge bolt is going to go where it wants.
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Old 10-23-2014, 10:32 PM   #16
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Our Airstream took a hit in the summer of 2012 while I was in Santa Fe. One wild night, that was! Suffered no damage to the "electronics," such as it is in a 1967 rig. There are a couple of small spots in the aluminum in the back that kind of look like somebody touched a welding rod to the skin very briefly. (My neighbor's newer, SOB rig wasn't hit directly, but it did take a major hit to all of its electronics.)

Interestingly, the same storm also struck here in Angel Fire, and we took a hit to our park-wide wifi antenna. It knocked a hole into the side of the antenna itself and literally exploded the power supplies for the associated electronic equipment inside the building; of course, all of the equipment was also toast, not just the power supplies. (We now have an antenna that can be reversed to point downwards during lightning storms.)


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Old 10-24-2014, 08:58 AM   #17
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Wooden and plastic grounding blocks should always be green (all the EEs are laughing).
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Old 10-24-2014, 09:04 AM   #18
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Green is ground the world around...

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Old 10-24-2014, 09:08 AM   #19
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Good advices about a question found already out in the past, similar threads. However thought seems to be a slight concern in our mind. I never really get notice about trailers' outbreak for lightning...so I think for some reason it's very very improbable to happen. In this case I guess building up a hard grounding plus lightning rod could transform our trailers in a sort of Adams' family house!

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Old 10-24-2014, 09:10 AM   #20
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Great! Now I've got to redecorate my trailer with an Adam's family motif...

-Red, wondering why he didn't think of this sooner...
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Old 10-24-2014, 09:28 AM   #21
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I'll add; don't roll up your water hose while watching a lightning storm approach.
Even if a strike is a mile away, it will really ring your bell when the current travels through the public water system. Ask me how I know!!!!
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Old 10-24-2014, 09:38 AM   #22
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Quote:
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Ask me how I know!!!!
Well, if you insist… How do you know?
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Old 10-24-2014, 11:37 AM   #23
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Well, if you insist… How do you know?
Personal experience with lightning, three times.

The first time when I was only about 10 years old, no hoses were involved. I was inside the house. I just happened to be lying on a top bunk bed looking out while touching the metal window when lightning struck the chimney on a house next door. It knocked me off of the bed and bruised my arm where it was touching the window.
The next time, a few years later, I was drinking from a water hose in the back yard. The last time I was about 30 years old, I had been washing the vehicles and just started rolling up the hose, hurrying to finish when a storm was approaching. Both times, lightning stuck off in the distance and the current came through the hose. It felt similar to touching a spark plug wire, except stronger. The first time was just a tingle, like a slap in the face. That last time gave me achy joints, ringing in my ears, and spots in my vision like looking at the sun. Could have been worse I guess.

I'm still fascinated by storms! But, no one wants to stand near me.
I don't know why?
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Old 10-24-2014, 01:06 PM   #24
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Remind me if I ever meet you, Alan, to step away from the human lightning rod.
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Old 10-24-2014, 01:30 PM   #25
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A few thoughts on lightning.

Electricity likes to take the path of least resistance (not a pun), as Protagonist says the current will go through everything but more of it will go where the resistance is the least.

It can travel through the metal parts of a trailer and arc over small gaps like from the stabilizer across an insulating block to ground, it will follow the path of least resistance - smallest gap to its destination = mother earth.

All the wires in your power cable look like they are at ground when the lightning is at a potential of greater than 25,000 volts and the power is at 110 volts.

Lightning likes to hit high pointy objects because height reduces the length the lightning has to arc and pointy objects make it easier to start an arc (put your TV antenna down)

A lightning strike near you can cause your electronics to fry ( I lost a power converter this way) if coupled into your power circuit by your power cord. You can use a surge protector to mitigate but not eliminate the risk of this happening. Count on getting at least a new surge protector if it does happen.

Do not put yourself or anything you value in a direct path of lightning strike (like standing outside in metal spiked golf shoes, holding an umbrella with a pointy metal tip that is higher than everything else around you as this could ruin a perfectly good umbrella).
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Old 10-24-2014, 10:37 PM   #26
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Alan, you sound well grounded.
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Old 10-24-2014, 11:19 PM   #27
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Was hit by lightning once - really. Was in the basement standing on the damp floor. Came down the cinder block chimney and across the floor. My pants started shaking and then - boom. Wife wife says it effected me brain brain.
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Old 10-24-2014, 11:51 PM   #28
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