Questions tagged [surge-protection]

Questions about surge protectors can be asked as long as it related to use with your computer or peripherals and when attempting to determine the proper level of protection required for your equipment. Purchasing recommendations are strictly off topic.

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33
votes
2answers
39k views

Why are brownouts so harmful?

I was reading Is surge protection actually needed? and well I'd like to know why brownouts are so harmful. The explanation gave there is "the capacitors get above their rated voltage" But that makes ...
23
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7answers
12k views

Is surge protection actually needed?

Am I am an idiot for not using a surge protected powerboard? Does this mean my computer gets fried in a power outage? Which particular parts of the computer are most vulnerable to damage if I get a '...
5
votes
2answers
2k views

Is there a way to tell the laptop battery when to stop charging?

I don't want my laptop's battery to always be at 100% because it lessens battery life, especially when above 25 Celcius, the lowest summer temperature in Israel (currently 30C - 32C). I prefer to keep ...
4
votes
1answer
655 views

Can Electric Surge Go Through Modem And Fry Laptop?

I have cable internet connection and cable connects to modem. From modem there is a LAN cable connecting to my laptop. Can electric surge reach my laptop?
3
votes
3answers
2k views

Is it worth getting a voltage stabiliser?

My PC has now blown 3 13A fuses in total (each in the power strip the PC was plugged into) and I've been told that a voltage stabiliser would help. I'm just wondering if they always solve the problem ...
3
votes
1answer
128 views

Is a USB-connected drive more surge resistant than a separately powered drive?

My understanding of power surges is that they can simultaneously damage anything that's plugged in to AC power. My question is whether a drive that's connected to the computer via USB (only) is ...
3
votes
2answers
1k views

What is the black powder/dust around a surge protector?

A tree had fallen down and taken out the electric line with a huge bang! So all the electric went off. Then I noticed loads of black powder/soot around a surge protector extension cable. It looks ...
3
votes
0answers
443 views

Unplug computer during thunderstorms?

I once heard from a friend of mine that it's good practice to disconnect your computer and tv during a thunderstorm to avoid damage from electrical surges caused by lightning strikes. It kind of makes ...
2
votes
5answers
3k views

What to look for in a good UPS?

I just asked this question where my PC may have been fried due to a power surge. Now I'm browsing around and I'm curious what characteristics make a quality UPS? What should I be looking at? Should I ...
2
votes
2answers
457 views

RJ45 to RJ11 to RJ45 proper config?

I am buying a surge protector, and the model I am looking at has RJ11 ports (in and out) for protection. Now I want to ask if its possible to do a RJ11 > RJ45 conversion, so I can protect my Ethernet ...
2
votes
2answers
2k views

What are the chances a power surge can wipe out a whole system? How can I tell?

I was on my computer and all of a sudden it shut off and the lights in my house dimmed. When I tried to turn it back on, nothing happened and there was a burning smell coming from my comp. I sent in ...
2
votes
2answers
4k views

Should you plug a laser printer directly into a wall socket?

Based on this answer to the question "Why shouldn't I attach laser printers or scanners to a UPS?", and a comment made by Blunder, should you plug a printer directly into a wall socket and avoid ...
2
votes
2answers
1k views

How to verify that a surge protector actually works?

I need surge protectors to prevent expensive equipment from exploding. Manufacturers of these devices obviously make a lot of fantastic claims about features and performance, but how can I trust them ...
2
votes
1answer
1k views

Powerline Ethernet surge protection

Following the recent weather events in my village (see related question) I'm looking at better power protection for my equipment, specifically a UPS and a set of replacement surge protectors which, it ...
2
votes
3answers
723 views

Computer plugged into UPS plugged into surge protector plugged into ungrounded outlet

I was reading that a surger protector won't work if it is plugged into an ungrounded outlet. The reason why this wouldn't work is that the electricity has nowhere to go, from what I've read. What if ...
2
votes
0answers
811 views

What about placing a voltage regulator behind an UPS with modified sine output, to protect an active pfc psu?

I moved to an area/building where there are quite some problems with the wall-power supply. Primaraly I would like to protect my computers, secondary I would like have some affordable UPS for some of ...
1
vote
2answers
458 views

Using Laptop Battery And Surge Protector Instead Of UPS? [closed]

I was thinking of using battery and surge protector instead of UPS. With UPS you have to: Do checkups Ship for battery replacements i.e it is a hassle. With laptop battery you have nothing to worry ...
1
vote
2answers
700 views

I get regular power surges and my UPS ticks a lot due to a welding plant. Is this good or bad?

In our home, there is a mechanic who often uses a welding plant. When he uses it, I think we get a power surge. My UPS ticks madly (not beep, it ticks). Sometimes, I even lose power to the keyboard. ...
1
vote
3answers
949 views

Advice for UPC/Surge Protector in home office [closed]

I'm just starting out as an independant developer, mostly Unix stuff with some Windows thrown in occasionally. I've been running two machines, a linux and a windows dev machine. Long story short, we ...
1
vote
1answer
195 views

Concerning repeated power outages and blackouts, what power protection device should be used for PC's and laptops?

We encounter numerous blackouts here where I live. I've heard of UPS's and other devices such as surge suppressors, etc... My question is, aside from the integrated battery (which is said to provide ...
1
vote
1answer
146 views

Surge Protectors - Wall Outlet Plug vs. Stationary Surge Protector

While the former will cost 3 times less: The latter will cost more: Question: Are both almost the same or the latter is better (which i suppose is judging by price)?
1
vote
1answer
79 views

I've had FIVE hard drives die in the past few days. Is it a power surge? Could anything else cause this, and can I trust my other components?

So I had 3 mechanical HDD's (all different), and 2 SSD's (one old, one new-ish) Timeline: 2015 - 2 weeks ago - Homebuilt system works fine. 8-10 days ago - Multiple power outages during last few ...
1
vote
1answer
2k views

Asus anti-surge protection fried (?) motherboard and PSU

I bought a PC about two months ago, and it was working great until yesterday. I was playing Magicka (a Steam game) which is a very light game and suddenly my PC rebooted. When it came back, the ...
1
vote
1answer
89 views

Power surge protection levels, spec of protective hardware

For some reason I experienced an extremely brief power cut (half a second or so) and it corrupted my desktop PC's BIOS (ROM?) which had to be restored and reconfigured. This is despite using a surge ...
1
vote
1answer
56 views

Monitor connected to a surge protector goes blank for a few seconds everytime room lights are switched on

I have noticed this problem in 2 separate locations. In both cases they are computer monitors connected to a surge protector extension cord. Every time the lights or fans are switched on or the ...
1
vote
1answer
3k views

Anti Surge Support option in BIOS Setup

There is an option called Anti Surge Support in my BIOS setup. The user manual of my ASUS H87I-PLUS motherboard gives no explanation on it, and I can't get exactly what it is after googling. Could you ...
1
vote
3answers
2k views

Surge protectors: Do they make anything like “Power Center” anymore? [closed]

See this: It's called Power Center and I am STILL using the same one that I got with my first PC back in 1995! It still works, but I think it's time to upgrade to a new one, but I cannot find these ...
1
vote
2answers
642 views

Performance Hit While Routing Cable Internet Through Surge Protector?

I recently purchased a Belkin surge protector with cable line protection. I have cable Internet, and that cord is plugged into my modem, which has an Ethernet going to my router where it splits and ...
1
vote
1answer
198 views

Could a laptop be harmed being plugged into the same surge protector as a portable air conditioner?

Would a simple surge protector power board protect a laptop from surges with a portable air conditioner also plugged in that's turning on and off?
1
vote
0answers
139 views

Is it normal to get power supply surge when lightning cuts the electricity?

So I'm a bit worried because my previous MoBo (a Gigabyte) died and I just bought a new MoBo. This new MoBo is an Asus. Last monday (now we are friday) I've let my computer opened to be able to use it ...
1
vote
0answers
578 views

Powerline Networking Surge protection and electrical interference?

The manufacturer advice is to plug them straight into the wall socket and not through power boards or adapters. However where I live (sub tropical) we have frequent electrical storms and power goes ...
1
vote
2answers
1k views

UPS for hard drive protection

I am in a place where electricity is not ideal (old house, no ground), sometimes it occasionally shuts down and supposedly there are some spikes. I consider using UPS with the goal to increase ...
0
votes
3answers
6k views

How does ethernet, coax, and telephone surge protection work?

So I'm planning on buying a UPS and I see that they have ports for protection of ethernet, coax, and telephone lines. I've read answers on these three questions, but none of them address this question....
0
votes
2answers
55 views

Is there a surge protection system to protect the grid from the equipment?

All surge protection hardware that I'm aware of exists to protect your equipment from electrical surges coming from the grid. Is there one that protects the grid from the particular piece of ...
0
votes
2answers
770 views

Does a Coaxial Lightning Surge Protector protect against Power Surges?

Does a coaxial lightning surge protector also protect against power surges? I don't know if there is a difference between lightning surges and power surges, thus I ask this question. I have a ...
0
votes
2answers
132 views

Voltage Stabilizer and USB Hub

I need to use a voltage stabilizer to secure my USB Hub (Anker PowerPort 6), but the stabilizer is slightly underpowered. It is rated at 1.3A, 300W (230V). My Anker has input requirements of 1.4A (...
0
votes
1answer
1k views

Surge Protection with modem

I have a UPS between my PC and the wall, this also has input and output called Cable/Video Surge Protection. So the only potential damage path is the modem to the router to my computer through ...
0
votes
2answers
44 views

How comes all three protection levels (electric board, UPS and AC block) get passed through?

So, there is that house in France with three phase electrical power. I don't know if this is relevant. And I can't tell the whole installation was set properly. But the grounding is recent and strong. ...
0
votes
0answers
37 views

Is there a way to protect usb type a ports from usb killers?

I know that most of the devices that are using usb type a ports susceptable in being destroyed by usb killers. Is there anyway on modifying type a ports or other ports to protect them from usb ...
0
votes
1answer
63 views

Power surge, computer can't find one hard drive, case light still on

So, my entire machine is consistently plugged into a surge protector. All the same, a sudden electrical storm caused a total power down. After starting it back up, it can't find a relatively important ...
0
votes
1answer
81 views

What household electrical devices could serve as an appropriate Master for the CE Tech Energy Saving Surge Protector?

I am attempting to use the Energy Saving feature of this surge protector: http://www.homedepot.com/p/CE-TECH-4-ft-8-Outlet-Energy-Saving-Surge-Protector-HDC804GWH/205893722 Using my laptop as the ...
0
votes
1answer
124 views

USB to Serial Connection - Danger to Motherboard from Electric Shock?

Last night I setup a machine that talks to our security system over Serial Connection. The serial cable goes through the roof of our building. The machine I setup this one, also hosts important VM's. ...
0
votes
1answer
3k views

Need some explanation about PC and AVR (Automatic Voltage Regulator) [closed]

I have an AVR and my PC plugged into. I Live in Europe and the voltage in the mains is +-240V. The AVR has a LCD display showing the current input (mains) is 237 and the output voltage 210-217V. My ...
0
votes
1answer
674 views

Did not unplug computer, power outage. Is it safe?

My office building is doing some maintenance work and they said they will shut off the power supply from midnight to 6am -- They told everyone in the building to turn off their computers and unplug ...
-1
votes
1answer
100 views

What is essential to test after a power surge for an unprotected PC? [closed]

If a power surge occurs at such a level that a total blackout has occurred, but my Windows PC still boots correctly, what are the most vulnerable areas of my hardware that I should check or tests I ...
-3
votes
1answer
149 views

Do i need voltage stabilisers for Computers and other electronic devices without motor?

Searching on internet i've found this article https://www.bijlibachao.com/appliances/voltage-stabilizer-for-television-refrigerator-air-conditioner.html Where i've read that electronic devices and ...