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Author Topic: Do you shut down your miners in a lightning storm?  (Read 378 times)
A.Delaney (OP)
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January 23, 2018, 01:51:53 AM
 #1

We just recently had a thunder storm here which made me wonder if I should unplug my miners in case of a lightning strike. Also sometimes the power will cut in and out. I’d imagine it’s probably not good for the miner if the power cuts in and out and it’s trying to reboot.
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January 23, 2018, 10:58:26 AM
 #2

We just recently had a thunder storm here which made me wonder if I should unplug my miners in case of a lightning strike. Also sometimes the power will cut in and out. I’d imagine it’s probably not good for the miner if the power cuts in and out and it’s trying to reboot.

No i use surge protectors, but if you dont have surge protectors then it might be for the best to disconnect your miners from any outlets.
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January 23, 2018, 11:00:35 AM
 #3

Don't mine without some sort of surge protection. I always see posts and people selling broken miners because a power surge broke something in them. It's a much more common issue than you might think. It's definitely a real issue.
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January 23, 2018, 06:10:05 PM
 #4

If you run quality server PSUs there really is no issue as they have protection circuitry built in. Its using the shitty bitmain PSU or an ATX psu where you will find problems.

Stop buying industrial miners, running them at home, and then complaining about the noise.
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January 23, 2018, 06:38:57 PM
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I do have a couple APW3’s
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January 25, 2018, 11:29:40 PM
 #6

We just recently had a thunder storm here which made me wonder if I should unplug my miners in case of a lightning strike. Also sometimes the power will cut in and out. I’d imagine it’s probably not good for the miner if the power cuts in and out and it’s trying to reboot.

U need to install a surge arrestor at the distribution box. It costs some money but is important. U dont want a strike to fry it.

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January 25, 2018, 11:36:39 PM
 #7

I will be more expensive to shut down your miners during a lightning storm (because of the down time), than to install a proper surge protection for them.

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January 26, 2018, 03:33:28 AM
Merited by HagssFIN (1), frodocooper (1), Maveth13 (1)
 #8

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

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January 26, 2018, 03:45:35 AM
 #9



I use these euro version surge protectors 220v on my stuff..have saved my ass 2x over 4 years or so

https://www.amazon.com/Tripp-Lite-International-Protector-EURO-4/dp/B00006HZ4M/ref=sr_1_fkmr0_1?s=electronics&ie=UTF8&qid=1516937849&sr=1-1-fkmr0&keywords=220+euro+tripp+lite

they come with a psu cord to the tripp lite unit itself...I myself just ran ONE per miner in the basement (had like 5 at one time in basement) the stuff at the data hall

has its own protections...

anyway, so the cord from your psu (funky sockets in pic) ARE included in the box...from the box to the wall you have a choice of 3 types of outlet plugs

I set up the below kind in my basement from the electrical service

below is the cord that comes with the above surge protector

https://www.amazon.com/Tripp-Lite-IEC-320-C14-IEC-320-C13-P004-015/dp/B00FBA1UC6/ref=sr_1_5?s=industrial&ie=UTF8&qid=1516938075&sr=1-5&keywords=220v+power+cable


below is the cord I use to the wall from the surge protector above

https://www.amazon.com/Lynn-Electronics-C13620P15A-10F-60320-C13-10-Feet/dp/B0093WFT5C/ref=lp_3034281011_1_1?srs=3034281011&ie=UTF8&qid=1516938216&sr=8-1

my setup below in basement if anyone is interested w/fans cooling etc

lostgonzo.imgur.com


anyway....pricey...but figured ONE per miner and 1 20amp 220v circuit to each miner was overkill...but again ...did save me some equip 2x in 4 years I'm sure

from storms.....

so anyway, what I did

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January 26, 2018, 03:45:53 AM
 #10

I don't have a huge amount of hashrate and am prone to paranoia.

I installed a whole home surge protector in my place right near the top of the panel; and if I am home I will shut them off for the couple hours a storm is going.

I also only have 5 or 6 big electrical storms a summer so it's not to big a deal for me.


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A.Delaney (OP)
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January 26, 2018, 05:12:10 AM
 #11

Anyone have an opinion on these? It would be nice to just plug it into my outlet and plug the miner into it.



https://www.amazon.com/Brownout-Voltage-Protector-Conditioner-Freezer/dp/B01LZT3TOA/ref=sr_1_3?ie=UTF8&qid=1516943372&sr=8-3&keywords=220v+surge+protector
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January 26, 2018, 11:23:39 AM
 #12

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

How to use a fibre link? Can it be used in a cable modem setup which uses cat 6 cables? I am not using fibre internet.

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January 26, 2018, 01:29:43 PM
 #13

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

How to use a fibre link? Can it be used in a cable modem setup which uses cat 6 cables? I am not using fibre internet.

I assume he's talking about using a media converter, going from UTP to fiber (and back) is common in the structured cabling world.  I haven't used one in a long time but they even have coax to fiber media converters if you have coax and you wanted to protect the modem as well.

If this is a "home" type set up I would avoid the media converters and would just get an inline ethernet surge protector.  Avoid the real cheap ones make sure to look at ones that are rated for "lightning protection".

Something like this one: https://www.amazon.ca/Ethernet-Surge-Protector-Gigabit-1000Mbs/dp/B00805VUD8
Please note I have never used that actual product I just did a quick google search on ethernet cable surge protection and that was the first one from amazon that popped up!  It is just an example, do your own research as that one is probably overkill for a home miner.
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January 26, 2018, 03:23:44 PM
 #14

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

How to use a fibre link? Can it be used in a cable modem setup which uses cat 6 cables? I am not using fibre internet.

I assume he's talking about using a media converter, going from UTP to fiber (and back) is common in the structured cabling world.  I haven't used one in a long time but they even have coax to fiber media converters if you have coax and you wanted to protect the modem as well.

If this is a "home" type set up I would avoid the media converters and would just get an inline ethernet surge protector.  Avoid the real cheap ones make sure to look at ones that are rated for "lightning protection".

Something like this one: https://www.amazon.ca/Ethernet-Surge-Protector-Gigabit-1000Mbs/dp/B00805VUD8
Please note I have never used that actual product I just did a quick google search on ethernet cable surge protection and that was the first one from amazon that popped up!  It is just an example, do your own research as that one is probably overkill for a home miner.

Noted all your info. Will reaearch it. Thanks

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January 26, 2018, 04:05:51 PM
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 #15

Media converters work well but that is not what I use. My farm is in a shed that is connected to my house via fiber with a Cisco switch in the shed and one in the house. Both have fiber ports. This solution works well and is not expensive. The switches cost about $120 each, the fiber GBIC modules are about $30 each and a 100' fiber cable is another $30. Here is what I used:

https://www.amazon.com/gp/product/B0041ORN6U/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B0009JR5SM/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
https://www.amazon.com/Tripp-Lite-Multimode-100-ft-N320-30M/dp/B0057R3KI0/ref=sr_1_5?s=electronics&ie=UTF8&qid=1516982536&sr=1-5&keywords=100%27+fiber

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January 26, 2018, 05:23:08 PM
Merited by frodocooper (2), vapourminer (1)
 #16

Anyone have an opinion on these?
You are asking for a magic box solution.  You are not doing what is always necessary to have any honest answers - the whys.

Lightning is an electrical current that 3 miles of sky cannot block.  How do a millimeters gap in that magic box stop what three miles of sky cannot?

More numbers.  Destructive surges occur in microseconds.  At best, that magic box cannot respond any faster than 10 milliseconds - and probably requires much longer.

Anyone can learn from what has existed and is proven by over 100 years.  Your telco CO suffers about 100 surge with each storm.  How often has your town been without phone service for four days (after every storm) while they replace that $multi-million computer?

Obviously, direct lightning strikes without damage is routine in facilities that cannot have damage.  Plug-in magic boxes are not used to make surge damage easier.

View your own CO.  View incoming phone wires.  Notice how all wires go underground long before entering that CO.  Because surge protection is distant from electronics (up to 50 meters) and as close as possible to earth ground.  No protector (or magic box) does protection - not one.  Effective protectors are connecting devices to what does the protection.  Protection is where hundreds of thousands of joules are harmlessly absorbed.

You must confirm your earth ground is a single point earth ground.  That is THE most critical component of a protection 'system'.   Best protectors connect low impedance (ie less than 10 feet) to that ground.  Wall receptacle safety ground clearly is not earth ground.  Protection is about where hundreds of thousands of joules are absorbed - harmlessly outside.  Then no current is inside hunting for earth destructively via all appliances.

'Whole house' protectors come from companies known by any guy for integrity.  Lightning can be 20,000 amps.  So these minimal protectors are 50,000 amps.  A protector must not fail for decades after many direct lightning strikes.  This best solution also costs tens of times less money - about $1 per protected appliance.

Protection is always - as in always - about where hundreds of thousands of joules dissipate. Protection means a surge current is nowhere inside a building.  A protector is only as effective as its earth ground.
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January 27, 2018, 02:23:40 AM
 #17

Media converters work well but that is not what I use. My farm is in a shed that is connected to my house via fiber with a Cisco switch in the shed and one in the house. Both have fiber ports. This solution works well and is not expensive. The switches cost about $120 each, the fiber GBIC modules are about $30 each and a 100' fiber cable is another $30. Here is what I used:

https://www.amazon.com/gp/product/B0041ORN6U/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B0009JR5SM/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
https://www.amazon.com/Tripp-Lite-Multimode-100-ft-N320-30M/dp/B0057R3KI0/ref=sr_1_5?s=electronics&ie=UTF8&qid=1516982536&sr=1-5&keywords=100%27+fiber

Does that switch run Cisco IOS?

The switch is typically configured through the built-in web interface which is pretty nice. It does have an IOS-like command line interface that you can use if you prefer that. I did a show version and this is what I got: SW version  1.4.8.6 ( date  10-Jul-2017 time  17:14:12 ). The commands are almost identical to what you would expect from a "normal" Cisco IOS.

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January 27, 2018, 04:08:46 AM
Last edit: January 27, 2018, 05:11:11 AM by Sandal_Hat
 #18

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

How to use a fibre link? Can it be used in a cable modem setup which uses cat 6 cables? I am not using fibre internet.

I assume he's talking about using a media converter, going from UTP to fiber (and back) is common in the structured cabling world.  I haven't used one in a long time but they even have coax to fiber media converters if you have coax and you wanted to protect the modem as well.

If this is a "home" type set up I would avoid the media converters and would just get an inline ethernet surge protector.  Avoid the real cheap ones make sure to look at ones that are rated for "lightning protection".

Something like this one: https://www.amazon.ca/Ethernet-Surge-Protector-Gigabit-1000Mbs/dp/B00805VUD8
Please note I have never used that actual product I just did a quick google search on ethernet cable surge protection and that was the first one from amazon that popped up!  It is just an example, do your own research as that one is probably overkill for a home miner.

This looks good but can I guess I cant just attach the green ground wire to my metal shelf. https://www.amazon.com/APC-PNET1GB-ProtectNet-Standalone-Protector/dp/B000BKUSS8/ref=sr_1_4?s=electronics&ie=UTF8&qid=1517026095&sr=1-4&keywords=ethernet+surge
Grounding is not convenient.

I guess this would be best since it does not require grounding https://www.amazon.com/APC-Protection-SurgeArrest-Performance-P11VNT3/dp/B0012YFXSW/ref=sr_1_4?s=electronics&ie=UTF8&qid=1517028300&sr=1-4&keywords=ethernet+surge+protector


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January 27, 2018, 05:27:25 AM
 #19

You guys have covered the issue of a lightning strike affecting the power to the devices - but you must also consider a more vulnerable issue - the network connection. I have seen lightening strikes wipe out entire networks through the ethernet cables initiating through the internet connection. A voltage spike to the network connection to a miner will fry the controller. The best way to protect from this is to use a fiber link somewhere between the Internet connection and the miner farm. Electric surges cannot pass through fiber.

How to use a fibre link? Can it be used in a cable modem setup which uses cat 6 cables? I am not using fibre internet.

I assume he's talking about using a media converter, going from UTP to fiber (and back) is common in the structured cabling world.  I haven't used one in a long time but they even have coax to fiber media converters if you have coax and you wanted to protect the modem as well.

If this is a "home" type set up I would avoid the media converters and would just get an inline ethernet surge protector.  Avoid the real cheap ones make sure to look at ones that are rated for "lightning protection".

Something like this one: https://www.amazon.ca/Ethernet-Surge-Protector-Gigabit-1000Mbs/dp/B00805VUD8
Please note I have never used that actual product I just did a quick google search on ethernet cable surge protection and that was the first one from amazon that popped up!  It is just an example, do your own research as that one is probably overkill for a home miner.

This looks good but can I guess I cant just attach the green ground wire to my metal shelf. https://www.amazon.com/APC-PNET1GB-ProtectNet-Standalone-Protector/dp/B000BKUSS8/ref=sr_1_4?s=electronics&ie=UTF8&qid=1517026095&sr=1-4&keywords=ethernet+surge
Grounding is not convenient.

I guess this would be best since it does not require grounding https://www.amazon.com/APC-Protection-SurgeArrest-Performance-P11VNT3/dp/B0012YFXSW/ref=sr_1_4?s=electronics&ie=UTF8&qid=1517028300&sr=1-4&keywords=ethernet+surge+protector



First one the green wire needs to go to an actual earth ground, metal shelf won't do much.  The second will be connected to the earth ground via the input cord.  As long as it is plugged into a 3 prong wall outlet you should be fine.
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January 27, 2018, 05:42:38 AM
Merited by frodocooper (1)
 #20

This looks good but can I guess I cant just attach the green ground wire to my metal shelf. https://www.amazon.com/APC-PNET1GB-ProtectNet-Standalone-Protector/dp/B000BKUSS8/ref=sr_1_4?s=electronics&ie=UTF8&qid=1517026095&sr=1-4&keywords=ethernet+surge
Grounding is not convenient.

That safety ground is ineffective - as explained previously.
Quote
You must confirm your earth ground is a single point earth ground.  That is THE most critical component of a protection 'system'.   Best protectors connect low impedance (ie less than 10 feet) to that ground.  Wall receptacle safety ground clearly is not earth ground.  ...  Then no current is inside hunting for earth destructively via all appliances.

That APC must connect low impedance (ie hardwire has no sharp bends) to earth ground.  Otherwise joules in a potentially destructive surge simply use safety ground to find earth destructively via any nearby appliance.

A wall receptacle ground is not and cannot be an earth ground.   Various grounds exist.  Motherboard ground is different from chassis ground is different from floating ground in other appliances is different from wall receptacle ground is different from ground bus in a breaker box is different from a static electric ground is different from earth ground.  Many are interconnected and still completely different.

One critical term is impedance.  Surges must connect low impedance (ie less than 10 feet) to single point earth ground (all four words have electrical significance).

Protection means a surge current is not anywhere inside.  Once inside, then nothing (as in nothing) can avert a hunt for earth destructively via appliances.  Effective protectors always connect to earth BEFORE a surge can enter a building.  True today as it was over 100 years ago.

BTW, best protection at each ethernet port is already inside that port.  Your concern is a surge that can overwhelm that already existing, robust protection.  That is always done at the service entrance - a low impedance connection to earth.

No protector does protection - not one.  Effective protectors are connecting devices to what does that protection - single point earth ground.
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