Questions tagged [surge-suppression]

Electricity can sometimes experience voltage and frequency shifts that can damage sensitive electronics. A surge suppressor prevents this by bleeding off excess voltage and sending it to ground. Use for questions about these devices. Use with the [electrical] tag

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Should I keep this surge suppressor in my main load center?

I found this curious item in my main load center (circuit breaker box), marked "SQUARE D COMPANY / SECONDARY SURGE ARRESTER / J9200-10". It has been there for at least 20 years, attached to ...
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1answer
22 views

Placing a good surge protector on our Fleck 4650 Control Valve (used as well water softener)

The stepper motor / timers on our Fleck 4650 Control Valve for our well water softener dies when lightening strikes happen. I can't find the amperage rating for this device when it's in operation so ...
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2answers
55 views

Is my surge protector really a surge protector?

I dont know if this is the right place to ask this question or not. Ive recently bought a surge protector(those small square ones) and im gonna connect it to my Computer. Now the thing is that im not ...
2
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1answer
96 views

Is it okay to plug a surge protector strip into a surge suppressing power outlet?

I just bought a house that has one of these where the TV would go. I do not want to change things or do any re-wiring. It only has two ports. I have 4 devices: A roku TV Soundbar Samsung SmartThings ...
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0answers
61 views

Whole house surge protector - wiring ground and neutral to same bus bar?

I've bought a whole-house surge protector that I'm installing in my main panel. In the interest of keeping the leads as short as possible, I can put it directly next to the breaker, which would also ...
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0answers
287 views

Brand new LG washing machine tripping AFCI combination breaker in new house

Hey this is less of a question than a problem I was able to trouble shoot, but I have a feeling other people might be going through the same situation and might have come up with other solutions to ...
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3answers
267 views

Can a surge protector prevent electrocution?

My pet keeps chewing cords, and I haven't found a good solution. Will getting surge protectors help keep the pet safe from electrocution if they chew through the coating into the wire?
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1answer
763 views

Is this a correct installation of a whole house Surge Protector?

Is this a correct installation of a whole house Surge Protector? Note that it's not closest to the main lugs, will that matter? I was unable to bring it closer to the main lugs since those had ...
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4answers
67 views

A surge protector for an AC split unit powered by a Siemens EQ Loadcenter

Late last summer my 4 year old AC unit fried its mainboard and the company which installed it originally came to service it. They suggested that the reason could be a surge, as they had a rash of ...
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2answers
389 views

Several LEDs and LED bulbs in my house are failing at the same time and way before their estimated lifespan

I've never had this happen to me and, now, in a span of 1 month, it's already happened 4 times... The following 3 LED bulbs and 1 LED strip have become unusable: An Ikea Ledare 600lm spot LED buld (...
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5answers
2k views

Can a surge protector prevent nuisance AFCI breaker trips?

I have a problem with AFCI breakers tripping in my 2 and a half year old house. The builder's electrician said that the cause is from power surges coming from the electrical company and that I need to ...
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1answer
3k views

What is the difference between a coaxial grounding block, an antenna discharge unit, and lightning arrestor

I've been reading about grounding outdoor TV antennas but these terms seem to be used interchangeably by various articles on the internet. For example, this article seems to make a distinction ...
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1answer
107 views

Can modern surge protector strips still catch fire? [closed]

I bought a 120 volts Leviton 5100-PS Surge Protector Strip. I'd like to know if all surge protector strips contain thermal disconnector inside already (like Belkin, APC, Eaton, Leviton)? What would ...
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2answers
2k views

Will using surge protectors with a two prong outlet adapter help against power fluctuations

I know that all surge protectors/upc's need outlets that have earth ground and be three pronged to safely protect against lightnings, but I would like to know if they can help against power ...
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76 views

How to protect the AC from power spikes - a hardwired surge protector, or UPS?

As I understand, power surges can damage the AC boards, compressors and fan motors. Looking into hardwired surge protectors I found devices ranging in current, maximum protecting voltage and ...
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2answers
100 views

What is the purpose of a whole home surge suppressor?

Is it useful to invest in and have a whole home surge suppressor installed at my inside and outside panels. My home was built 2 months ago. Home do I install the whole home surge suppressor and what ...
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2answers
1k views

Whole House Surge Protector connection

I am interested in installing a whole house residential surge protector. I don't have enough room in my main panel inside my house. I am thinking of buying one of these uints and installing somewhere ...
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2answers
929 views

Properly grounding equipment with a ground screw

I have an NVR that has a power brick and a separate ground screw. What is the "Right way" (read: safest way) to connect this to ground? I've thought of a couple ways to do it. My 4 options are: ...
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1answer
334 views

Should I put a surge protector on the 110v to my Trane furnace

I just had to swap out the fan control module for my Trane furnace. The service person said it might have failed due to spikes on the 110v line. There were downed power lines in the area within the ...
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2answers
152 views

Will a consumer UPS clean up power from a conventional genetator

I have a DeWalt DXGNR7000 generator with a bonded neutral. I’m okay with house wiring, the fine folks here on Stack helped me out with that. However, I know that these types of gensets create 60hz ...
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1answer
127 views

Can I wire a receptacle to a cord and plug?

I am planning to add a recessed wall box for my TV so I can put the connections behind its wall mount. Most of these boxes come with a pass-through of some sort as well as a spot for a single-gang ...
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2answers
2k views

Adding whole-house surge protection to main panel

I'm looking to install a Schneider surge protector at the main breaker, likely this one: https://www.amazon.com/gp/product/B00CONA1OQ/ The key things in the instructions which I'm trying to resolve: ...
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1answer
798 views

Moving into ancient apartment, two-prong outlets

I just signed a lease on an apartment. I didn't look carefully at all the outlets, but I noticed that each bedroom has exactly one outlet, and the overhead light fixture in the kitchen works by ...
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2answers
1k views

Can I use a heavy gauge extension cord from the wall to a UPS?

I have a 900VA/480Watt UPS/surge unit, and it doesn’t quite reach the wall where I need to plug it in. I'm using it to power an iMac. The unit has a 3x16 AWG cord. Is there any harm or difference, in ...
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0answers
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Surge protector for appliances - per appliance? Non-standard?

I was told by a technician that I need a separate surge protector for each appliance (washing machine, dryer, etc. They have electronic boards in them). I was also told that I need a special one for ...
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1answer
356 views

Can a 3-wire surge protective device be used on a single phase, 120V circuit?

I'm installing some surge protection for a radio installation, and I have a somewhat unusual requirement of installing the surge protection device (SPD) at an Earth ground where the antenna feedline ...
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3answers
431 views

Properly installing a grounded subpanel for lightning protection

I'm installing a large antenna on the side of my house opposite the electrical service entrance. The antenna must be grounded, by nature of its design. For lightning protection, it's important that ...
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1answer
57 views

I replaced a surge arrestor for our home — did I miss anything?

We're selling our home, and one of the things on our inspection was a "popped" surge arrestor - I don't have much experience at all with electrical work, but the process seemed pretty straightforward, ...
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3answers
375 views

Grounding for surge protection

I'm running a long Ethernet cable between my garage and home (50m). How do you guys protect your long cable runs (and thus your equipment) from lightning surges? House is separate from the garage. ...
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1answer
750 views

Water on surge protector

Sorry if this is in the wrong place. A couple of days ago I spilled a cup of water on the ground, and some of the water landed on a surge protector I quickly unplugged it and dried it off. I have ...
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1answer
137 views

Do common surge protectors prevent outgoing spikes?

I have a air humidifier connected to a timer, and every time it turns off there is a huge spike going through the lines; lamps and computer monitors flicker. I'm thinking about buying a surge ...
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1answer
169 views

Would a 120/240 V whole house surge protector work with 120 V single phase?

I live in a place where lighting strikes and power surges are very common. After experiencing multiple electronic failures I decided to look into surge protection, specifically whole house sure ...
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1answer
67 views

Do type-2 surge protectors render type-3 protectors redundant?

If you have a type-2 surge protector installed in your main breaker panel, does that render redundant any type-3 protectors plugged in to various outlets throughout the house? The only way I can think ...
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1answer
1k views

what is burning smell off a new power strip?

Got a new power strip, I detect a very faint burning smell kind of distinct when I stick my nose near it, 2 cm away. The smell is there whether it's connected or not, but amplifies when its working. I ...
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5answers
5k views

Problem plugging surge protected power strip into gfci outlet?

In my science classroom all outlets on the lab benches are gfci protected--that's great. I plug in multiple computers into some of these outlets and use power strips to do this, but it seems there ...
2
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1answer
664 views

How to add a surge protector on 240 circuit at pool sub panel - neutral or ground connection?

Trying to add a surge protector at a sub panel by pool. The 240 circuit runs from the main load panel on side of house to sub panel by pool - red, black and green only - to a disconnect and the pump. ...
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1answer
139 views

Surge protection(Kinda) with a power bar

Apologies in advance if this is the wrong SE to post this in, but Electrical Enginnering Stack Exchange didn't look like the proper place, based on what was 'on topic' over there. Anyway, I have a ...
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4answers
3k views

How to add a gfci and surge protector to pool pump line?

I want to add a gfci and surge protector to the 240v circuit for my pool pump. The 12 guage power wires (red and black) and ground (green) run from the corner of yard directly to the main breaker ...
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1answer
151 views

Protecting electronics from electrical surges - plugs with fuses

i was just wondering why the UK 3 pin plug has a fuse ? in South Africa the the Grid is significantly more volatile and lighting strikes abundant ( in the area i live in anyway) i have moved here ...
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1answer
340 views

How many “layers” of surge protection is considered useful?

I want to make my whole house surge protected, there are several solutions available You can install MOV based surge protection on the entire house in line entry point - first line of defense You can ...
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1answer
736 views

ADSL + Ethernet Surge Protection. What is chaining?

I would like to protect my home network setup with surge protectors. The products I am looking at are: APC Essential SurgeArrest 5 outlets 230V APC ProtectNet standalone surge protector for 10/100/...
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0answers
153 views

Toaster and Kettle cause my green power board to trigger

I had my computer connected to a green power board. The computer itself is on the master port and the screen, speakers, etc are on the slave ports. When the master port drops below 5 W, ie. when the ...
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2answers
36k views

What does a surge protector do that a breaker doesn't?

The circuit breakers in my home are 120VAC, 15A or 20A breakers. What would a surge protector (e.g. this or a power strip with surge protection) do that a breaker wouldn't do already?
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1answer
1k views

How to restore power after tripping a surge protection device?

What happened A new electric kettle apparently caused a loss of power in a circuit. The circuit is one of two 120V/20A lines protected by an Intermatic PanelGuard model IG1240R surge protection ...
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3answers
88k views

Is is safe to plug a surge protector into a 2-prong outlet using a 3-to-2-prong adapter?

I live in an apartment that has essentially no 3-prong electrical outlets. I need to plug in a modest amount of computer equipment (which has a mix of 2- and 3-prong plugs), and I want to plug this ...
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3answers
9k views

Why would my TV turn off/on when connected to a surge suppressor?

I have a very strange problem which may or may not be the TV. The TV is plugged in to a surge suppressor with the rest of my home theater. Satellite box is also plugged in to the suppressor, ...
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1answer
784 views

Is this surge protector defective?

I have purchased a high quality surge protector of a known brand in my country featuring six outlets. However, when I plug the adapter of my laptop into it or the surge protector or plug the surge ...
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1answer
2k views

Why is the red ground light on, on my AVBar10 surge suppressor?

I have a Tripp Lite AVBar10 that shows two green LED on the outside ("protected" and "line OK") and a red LED in the middle ("ground"). I went to Lowes and got an outlet tester, and all the circuits ...