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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11
votes
2answers
41k 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?
8
votes
4answers
2k views

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 ...
7
votes
4answers
6k 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 ...
6
votes
3answers
99k 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 ...
4
votes
5answers
2k views

Should I ground outdoor speaker wire? If so, how?

[I’m not sure if this is the right place to ask or if I should ask over in the electrical SE but…] I have outdoor speakers in my backyard that are all connected via the same copper run (speaker wire ...
4
votes
2answers
588 views

Can I add a breaker to this external main shutoff

Our neighborhood and my house has Square D QO equipment. There is the external main shut off with a 200 amp breaker. It goes straight to lugs and then the wires that go to the main panel in the house ...
4
votes
2answers
259 views

Can I route the neutral wire from a surge protection breaker across the panel busbars?

I plan to install a whole-house surge protective device (SPD). Its instructions state that you should place it as close as possible to the connection of the mains with the busbars. Also it has a ...
4
votes
1answer
839 views

Whole House Surge Protection at Main Panel

I am planning on installing the CHSPT2ULTRA Type-2 surge protector on my outside main panel. I am planning on: turning off main being careful to note that the utility service lines and the terminals ...
3
votes
5answers
8k 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 ...
3
votes
1answer
3k 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 ...
3
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2answers
1k 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 (...
3
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1answer
7k 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 ...
3
votes
1answer
781 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/...
3
votes
0answers
103 views

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 ...
2
votes
1answer
1k 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 ...
2
votes
3answers
647 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 ...
2
votes
2answers
225 views

Installing house surge protector in full panel?

Currently doing research, might get type 1 and type 2, i understand type 2 usually requires double pole breakers to work. For type 1 can i connect it directly to the 2 live wires coming into the panel ...
2
votes
1answer
151 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 ...
2
votes
5answers
9k 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
votes
2answers
76 views

How do I connect a Type 1 SPD to this meter main / service disconnect panel?

I recently purchased a Siemens MM0202B1200 200-Amp meter / disconnect combo panel. I would like to connect a Square D HEPD80 Type 1 SPD inside the disconnect panel. The SPD has 4 wires: 2 black, 1 ...
2
votes
2answers
78 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
votes
1answer
664 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 ...
2
votes
1answer
62 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, ...
2
votes
1answer
259 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 ...
2
votes
1answer
862 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. ...
2
votes
1answer
411 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 ...
2
votes
1answer
79 views

What is the benefit of cascading / layering type 1 and type 2 SPDs in a home's electrical system?

From the research I have done on SPDs, it appears that it is recommended to layer or cascade the different types (types 1 through 4). For example, here is a video from Schneider Electric which ...
2
votes
2answers
2k 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 ...
2
votes
1answer
218 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 ...
2
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0answers
40 views

Difference in Effectiveness Between Different Whole House Surge Protectors?

I'm trying to determine the most effective type of whole home surge protection to install on a Eaton BR type circuit breaker panel. The options I've looked at are all made by Eaton: CHSPT2ULTRA, ...
2
votes
2answers
97 views

Preventing inductive kickback from reaching mains in a plugin A/C unit

What off-the-shelf plug-in devices are available to prevent inductive kickback from reaching the mains circuit? Explanation: I have a plug-in Air Conditioner unit (rated 10.8A) on a 20A panel-...
2
votes
1answer
962 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 ...
1
vote
2answers
121 views

Square D HEPD80 Whole Home Surge Protector

Please advise how I may add the Square D HEPD80 Whole Home Surge Protector to my existing panel. The installation calls for an open circuit and I want to verify if I can or cannot safely add the ...
1
vote
2answers
2k 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: ...
1
vote
2answers
454 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 ...
1
vote
2answers
182 views

Installing an Eaton CHSPT2ULTRA Type-2 surge protector

I have a 200 amp Siemens breaker box and want to install an Eaton CHSPT2ULTRA Type-2 surge protector. The instructions say to use either a dedicated 2-pole 15 amp or 50 amp breaker. Wanting the full ...
1
vote
2answers
4k 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: ...
1
vote
3answers
12k 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, ...
1
vote
1answer
158 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 ...
1
vote
1answer
78 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 ...
1
vote
1answer
197 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 ...
1
vote
3answers
92 views

Do modern refrigerators and freezers benefit from point-of-use surge protection?

If so, what type of protection is recommended? And is it still needed if you have a whole-home surge protector installed at the load center? (I do, FWIW).
1
vote
0answers
3k 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 ...
0
votes
2answers
91 views

What surge protector should be used for various home electronics/appliances? [closed]

A- How do I choose the right surge protector for a garage door opener? I recently experienced the effect of a power surge after a lightning and lost a few items. So my question is how to prevent ...
0
votes
3answers
908 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?
0
votes
2answers
134 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 ...
0
votes
1answer
398 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 ...
0
votes
1answer
48 views

Want to hide the 9' wire that comes with an AXTRA 16-receptacle surge protector and plugs into normal outlet

I'm considering buying an AXTRA 16-receptacle surge protector to mount permanently top of my workbench, along the wall. A conventional power receptacle is located 8" above the surface of the ...
0
votes
3answers
168 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 ...
0
votes
2answers
2k 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 ...