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Protecting equipment from bad power.

I play gigs on generator power a lot, and had an instance where the amps got fried.

Talked to my tech about it, and he recommended one of these:

http://www.amazon.com/Monster-8-Out...r=8-12&keywords=monster+power+surge+protector

I think that thing has saved me several times when playing with the generator or at older venues where power can be up and down.
It basically shuts down when the power goes above or below threshold. Which kinda sucks when you are in the middle of a song and the amps shut down for a few seconds.
But hey, better than having your amp destroyed.

I highly recommend one of these things. about $100 USD and worth every penny.

We plug everything into it on every gig.

I dunno how many joules it is rated, but probably thousands.
 
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I play gigs on generator power a lot, and had an instance where the amps got fried.

Talked to my tech about it, and he recommended one of these:

Amazon.com: Monster HTS 1000 MKIII 8-Outlet Power Center with Clean Power Stage 2 (Discontinued by Manufacturer): Electronics

I think that thing has saved me several times when playing with the generator or at older venues where power can be up and down.
It basically shuts down when the power goes above or below threshold. Which kinda sucks when you are in the middle of a song and the amps shut down for a few seconds.
But hey, better than having your amp destroyed.

I highly recommend one of these things. about $100 USD and worth every penny.

We plug everything into it on every gig.

I dunno how many joules it is rated, but probably thousands.

6125 joules and listed as discontinued....
 
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exactly! this is the part that saves the gear:

"...automatically disconnects the PowerCenter itself and your equipment from both live power lines (line and neutral), and reconnects ONLY when power levels are safe. Unlike other surge protectors, T2 will NOT sacrifice itself when a potentially damaging power overload hits, and keeps on protecting with no reduction in performance."

That is the part that really saves the day. just shuts down when things go wrong, and powers right back up when all is well again.
 
Count yourself lucky that the place didn't caught fire. The insurance companies are nasty with such damages. I mean, to those who've been struck with damage. You can sue the bar. Normally a regular floor power strip with built in lightning jolt fuse, (to protect from lightning strike, which not anyone can protect against fully), or a RCD. Those can be built in and keep you from damage. As for bad current, with noise and not ampere enough in the grid, go for those Furman conditioners. They have built in fuses anyway, that will blow within a nanosecond (i e both lightning and rcd built in too). You should have pretty expensive equipment in order for it to be worthwhile to purchase that. Maybe the band can share all outputs from that one. If just keeping yourself from injury and equipment from damage, go for the RCD, or lightning jolt fuses. RCD = Residual Current Device

Invalid Link Removed

Better safe than sagging power. Oh, in the US it's called something else I reckon.
GFCI breaker. See here:

Residual-current device - Wikipedia, the free encyclopedia


Just something to remember about RCDs, they are designed to prevent personal injury from electric shocks and not to protect equipment.
 
Joules are for fools

A MOV is like $1
Add more and you get more joules
Plug power strips together and get more joules
And the don't say what voltage the MOV is set to break over. 250v? 300v? who knows

Now the engineer designing your amp does know what voltage and rating of MOV to use in order to give you a warranty.
It doesn't hurt to plug into another MOV but big expensive if joules for fools
 
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;);):thumbsup::thumbsup:

I am an electrical contractor in Arizona and I have seen the wrath of lightning strikes, utility equipment failure etc.
Alot of people here will tell you that A rack surge suppressor will do nothing. I tend to disagree. But hey, it's pretty obvious which members think they know it all about everything on this forum.

I run a monster 2500 which had a 2775 joule rating, most don't even spec this rating. Which usually means it's low.

What it comes down to is the Joule rating, the higher the number the faster it "clamps" and protects the load connected.
And I like them also because there's plenty of outlets to plug your rack equipment into with one switch to turn everything on at once.
I think I spent about $150 to protect $5000 in gear. I Say it's a pretty good investment:thumbsup::cool:

Hmmm, this thread has got me all paranoid now, I'm thinking this monster 2500 sounds like a good investment for my gear...
 
Just something to remember about RCDs, they are designed to prevent personal injury from electric shocks and not to protect equipment.

Well, I did say that didn't I? They first and foremost protects personal injury, but can protect some equipment down the line. Watch that Furman sales pitch video, and listen all through it. About half way through, he said that you should determine that small equipment compared to larger ones and what it's worth. Small ones can't protect equipment. BTW It's the "ground breaker filter circuit" you should use, a variant on RCD as such. The electronics filter is a jungle, and maze, and elusive at best.

Count yourself lucky that the place didn't caught fire. The insurance companies are nasty with such damages. I mean, to those who've been struck with damage. You can sue the bar. Normally a regular floor power strip with built in lightning jolt fuse, (to protect from lightning strike, which not anyone can protect against fully), or a RCD. Those can be built in and keep you from damage. As for bad current, with noise and not ampere enough in the grid, go for those Furman conditioners. They have built in fuses anyway, that will blow within a nanosecond (i e both lightning and rcd built in too). You should have pretty expensive equipment in order for it to be worthwhile to purchase that. Maybe the band can share all outputs from that one. If just keeping yourself from injury and equipment from damage, go for the RCD, or lightning jolt fuses. RCD = Residual Current Device
 
Let me be clear about my statements here.


#2. The situation about insurance claims etc... is understandable, but irrelevant to the questions. I want to know about how to avoid needing the insurance in the first place. It would stink to not be able to gig again until the insurance pays out and they buy new gear. And I am sure the insurance will cover depreciated value, not replacement value...
.

Well if the "insurance cost" - in the form of an expensive Furman surge/voltage protector - is the same as the fee to the insurance company? What then? Either you're insured by the gear thay you buy, or insured by a company who replaces your gear at little or no cost.

However, if it's you yourself that's going to be fried, no insurance company or gear in the world can help. Maybe the insurance company will sue the f*ck out of the bar, but it's little help to you, when you're already dead. Perhaps the people that comes on, after the incident, but I doubt it. The bar just have to close down, no one has that amount of money to buy them free for lethal workplace environment. Not a bar like that though.

I tell you, if that happened i Sweden, the bar would've have to close down immediately. Without any further notice, or notice period. Not even a day. The power grid inspections here on all restaurants and buildings, no matter how shady or underground, are quite Stalinesque. If you can proof that it's the bars fault, which it is, since TV's fumed, and gear that didn't belong to you fumed, all guests/staff in the bar was jeopardized. Since we became members of EU, all flats, apartment and houses had to be converted to only have grounded outlets in the walls. No ungrounded outlets are allowed anymore no matter how old ancient the house is. And while they were at it, they changed out a few other things as well.
 
BTW, I don't know about that 'frying your equipment' thing. The only thing that should, or ought to, get fried is the fuse. And the fume that comes out, is from that one. I do think that lightning through EMP can f*ck up things pretty bad though, regardless of fuses (and surge protectors for that matter). It's almost impossible to protect you from that. It's not about the direct hit, but the EMP through air that even a faraday cage solution (which buildings and cars are built like) can't solve completely.

I think such a power strip from Furman, as someone pointed to before, will be sufficient enough in most cases. Don't play in bars then, if they have a shaky grid. All of your band could split the cost and run everything through your large huge and expensive Furman tank, while showing up on gigs. Don't know about the house PA and such though. Best thing is if the bar would invest in those kinds of things.
 
I don't personally recall anyone on this forum say that "...a rack surge suppressor will do nothing". I have read where many people said that the rack surge suppressor is no better than installing MOVs on the power receptacle, which you can do yourself for only a few bucks, and something that I would strongly advise. However, if your equipment is connected to a power source that takes a direct lightning strike, it is doubtful that any surge suppressor/voltage regulator, etc. on the market would have helped, e.g., the service cable going to my workshop/garage was struck by lightning. The energy from that hit vaporized about 3' to 4' of that cable. It's anyone's guess what that would have done to a voltage regulator.

Don't know about the place where you're from, but the industrial standard here are 3 classes of surge protection: A, B and and home application protection. Class A is lightning protection which has no galvanic connection to ground, but if the voltage is high enough it connects directly. B is for some kilovolts to protect your home from transformer failure and the third is the one you put into jacks, it's for saving high ohm loads in case of neutral-failure. Ofc the last one isn't going to save your gear from lightning strike or failed galvanic isolations in transformers, but you could apply a class B into an amp, although it's not made for it.
 
Don't know about the place where you're from, but the industrial standard here are 3 classes of surge protection: A, B and and home application protection. Class A is lightning protection which has no galvanic connection to ground, but if the voltage is high enough it connects directly. B is for some kilovolts to protect your home from transformer failure and the third is the one you put into jacks, it's for saving high ohm loads in case of neutral-failure. Ofc the last one isn't going to save your gear from lightning strike or failed galvanic isolations in transformers, but you could apply a class B into an amp, although it's not made for it.

I held an electrical contractors license many years ago, but have not kept up with the regulations since I discontinued my license. However, I think the only personal safety requirements we currently have for residential electrical systems is proper grounding/bonding, and ground fault circuit interrupters (GFCI) on any outdoor receptacles and receptacles within a certain distance of a water outlet. I am either reading your post wrong or you are mixing industrial and residential regulations, which may or may not matter.
 
Monster is overpriced and just gives surge protection and filtering.

You want a regulator because that deals with low and high voltage swings.

For instance at an outdoor gig with a generator, if you use a very long extension cord to keep the generator far away because of the noise, the voltage drop over the cord can be significant. Those Furman regulators keep you locked at 117V constantly. The way they work is if the voltage droops, you get less max currrent (at 90V about 11A on a 15A model). You also get all the surge protection and filtering.

Amps that have power shutdown features (usually your PA, not your bass amp) can be very sensitive to voltage. I once did an outdoor gig where once the PA hit a certain level because of band dynamics, it would mute for 10 seconds. I traced the problem to the voltage from the generator was only about 100V and when the amp drew more current this would droop further and the protection circuit would kick in. With a regulator, no dropouts at all.
 
I held an electrical contractors license many years ago, but have not kept up with the regulations since I discontinued my license. However, I think the only personal safety requirements we currently have for residential electrical systems is proper grounding/bonding, and ground fault circuit interrupters (GFCI) on any outdoor receptacles and receptacles within a certain distance of a water outlet. I am either reading your post wrong or you are mixing industrial and residential regulations, which may or may not matter.

Industrial standard is just a term stemming from the former meaning of DIN, if you by chance came across this sometime. Basically the Norma applied to electric devices stem from Industry, but are mostly applied to households and other everyday applications, too. Nobody here is obliged to install a surge protection of any kind, but they exist.

Also judging by your post security means are handled way differently at your place than mine.
 
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That's not strictly true.. but it depends on the surge size, voltage and so on.
A large enough surge (200+ amps??) CAN jump breakers and fry TV's etc...

It is not amps (current) that jumps open contacts, it is voltage. If the voltage got high enough to burst the TV's into flames my thoughts are that NO amount of protection would have been 100% effective at preventing damage to the other gear. Those transformers step down voltage a lot. (From 4000 to 240/120) If a transformer were to melt it may send the primary input voltage onto the line feeding the building. This would destroy most if not all of the equipment regardless of any installed protection circuitry. Further, the bar needs ALL of the building wiring replaced as it has been exposed to voltages that likely compromised the insulation. That place needs to have every inch of the electrical wiring inspected or replaced before they re-open.