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peter  
#1 Posted : Tuesday, July 08, 2014 4:38:46 PM(UTC)
peter

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Afganistan

A friend's home received an indirect lightning strike yesterday. It fried his cable modem/router, TV converter, his computer and a few other items along with breakers. Seems like part of the surge came through the BHN cable.

Out of curiosity, if the surge came through the cable, does BHN cover the repair of his computer or does this fall under his property insurance? I assume it's the latter which means that it will be under his deductible.

Now my RF cables to the modem & converters run through my UPS' built-in surge suppressors which my TVs, computers and MODEM are also powered from (I have several APC devices). I like the UPS approach as it keeps the devices ON during momentary power spikes, outages and brown-outs, and cleans the signal. Hopefully, the cable input portion is sufficiently protected by the RF surge suppressors in the UPS'.

It isn't practical to disconnect everything every time a storm passes by over here as it would be many times, every day, so I wonder what are BHN's suggestions?
alex  
#2 Posted : Tuesday, July 08, 2014 4:39:11 PM(UTC)
alex

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said by Flashfox:
It isn't practical to disconnect everything every time a storm passes by over here as it would be many times, every day, so I wonder what are BHN's suggestions?

I would ask a tech to come out and see if BH line drop was installed properly and grounded.

Since lightning doesn't like to travel in loops they usually coil up the drop on both ends and then they have a ground block that is grounded to either a grounding rod or the FPL metal riser, if it is metal.

This could save you from future strikes at least on the BH end.

The splitters and cable equipment are supposed to have good secondary surge arrestors built in but you really can't stop the amount of spike at times from a direct hit other than unplugging.

Surge protectors have been known to catch fire from a direct hit because of the casing used inside catches fire.

It can be real difficult proving where the surge came through. Most of the time it is through Power company side. Which I recommend a good secondary surge arrestor at the cable box. It might not fix everything but I know several times it did its job absorbing the surge.
williamgray  
#3 Posted : Tuesday, July 08, 2014 4:39:33 PM(UTC)
williamgray

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Australia
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Re: Lightning strike = responsibility?
Drip loops are not for lightning prevention, they're to keep water from running into connectors.

There's nothing you can do about a direct lightning hit. Grounding is for electrical safety in case of a short and to ensure everything has a common ground. Grounding is not for lightning protection.

If a million volts of electricity hit you, no UPS or surge protector is going to stop it. That's why you have insurance and backups of your data in the case of a computer.
John  
#4 Posted : Wednesday, July 09, 2014 9:53:28 AM(UTC)
John

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Good point you made, I should have mentioned that these are only secondary measure.

The theory is lightning looks for the most direct path to ground. True, it hasn't been proven that drip loops actually make a difference. Just a theory.

But grounding has been proven. Lighting will travel to all parts of the circuit.

Surge protectors try to absorb it but it is not a sure way to protect your equipment. Seen lots of pictures of burned up equipment and surge protectors including backup ups burned to a crisp and in some cases caused fires in homes.

They call them secondary surge suppressors for a reason.

Only sure way is to cut off the circuit (unplug) to protect from a direct hit.
sam  
#5 Posted : Wednesday, July 09, 2014 9:54:38 AM(UTC)
sam

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U.S. Minor Islands

This would be a great time to invent in a decent UPS for his computer system. They all have some form of complicated claims process. If all is installed/documented properly he has a chance for them to repair/replace stuff, vs insurance, the next time.

I've lived in Florida for 33 years, and have had a few things damaged via indirect strikes/EMF. Now the majority of my gear is behind several different CyberPower 1500's.
dongbei2  
#6 Posted : Sunday, April 15, 2018 3:07:54 PM(UTC)
dongbei2

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