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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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Redundant whole house surge protector on subpanel

I have read that you can have redundant surge protectors (one on a main panel, another on a sub panel), but I'm not sure it's worth the cost (~$100). An HVAC contractor thought I needed one on the ...
jtolman's user avatar
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Why would unrelated breakers start tripping after installing whole home surge protector?

I have an (100+ years) old house in the USA. Two days ago we got a whole home surge protector connected to two adjacent 20 amp breakers (and to ground/neutral) in the main panel as per the ...
Scott's user avatar
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Why does static electricity on my couch cause my TV screen to turn off? [closed]

Background: I have recently moved into a new house. It was built in the 70s and I had some remediation work done on the wiring. All the outlets were replaced and connected via alumicon connectors. The ...
Tyler Shellberg's user avatar
3 votes
2 answers
395 views

Whole-house surge protection: "intramural" surges

Is there such a thing as a whole-house surge protector installed at or near the panel that can shield devices inside the home from surges originating on the mains, as well as shield devices inside the ...
mr blint's user avatar
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Whole Home Surge Protector With Ungrounded Panel

I live in an older (1970s) home that unfortunately does not have a grounded electrical panel and none of the outlets have ground wires. Last year when there was a lightning strike, I lost my NAS and a ...
Shunsuke Sengoku's user avatar
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200A Upgrade Main Panel Requirements [closed]

I'm upgrading my old 100A panel [combined Meter and Load Center] to a new 200A Panel. Based on the panel location, and since I don't want to re-wire the entire house, I'm looking for a Combined 200A ...
ChocolateCake's user avatar
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257 views

Why Surge Protection Device (SDP) fails and how to deal with that [closed]

The power surge from the electrical line has taken out electrical appliances from many houses not sure if it's a power sub station fault or primary lightning strike on power pole. But some of the ...
CuriousMan's user avatar
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Should we install lightning arrestor at building when it's between two mobile towers

I'd like to protect my building from lightning strikes , Hence neither building and electrical appliances nor people get impacted. I can see there are two cell phone towers one is 400 metres south ...
Shravan's user avatar
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Should I tin wires prior to installation in the panel?

My new whole-house surge protector comes pre-wired with four 12 gauge stranded wires 36 inches long. Should the wire ends be tinned before installing to terminal bars and breakers?
Donald Cassell's user avatar
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Surge Protector with travel adapter for a different country [closed]

I am using the following Schuko (Germany) to India adapter (Amazon.de) I am using this surge protector with Schuko plug (Germany) (APC Surge Protector - PM8-GR - Power strip with surge protection: ...
Porcupine's user avatar
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Installing a series of FS140 surge protectors to prevent mini split board burnups

I'm having some issues with my current electrical setup. I had an electrician install a 36k Eaton whole house surge protector about a year ago, and the hvac company installed a gree mini split. Since ...
Anthony Ac's user avatar
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Should I unplug( even though electrical connection to socket is cut off using a switch) during thunderstorm

Let's say there's a socket and an appliance is plugged into that but the electrical connection to the socket is cut-off using a switch. so there's a air gap and this should act as insulation and I ...
King's user avatar
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3 answers
583 views

Is GFCI and surge suppressor needed on a grounded 3-prong plug?

Recently a plumber installed a VIQUA IHS12-D4 Whole Home Integrated UV Water Treatment at our cottage. It plugs into a standard wall electrical socket with a 3-prong plug. The socket and panel are ...
JohnC's user avatar
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2 votes
1 answer
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What circuit breaker to use to protect a SPD under 18th edition?

I am installing a Hager SPN180N to protect my residential circuit. I understand that under 18th edition I am required to protect the SPD with a circuit breaker. I want to supply my electrician with ...
Mohammad's user avatar
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Should I unplug my TV(which is turned off) during thunderstorm

There is a common sense to unplug the expensive electronic devices during thunderstorm as lighting strike can affect the power lines and anything that's connected to powerline is going to be wasted. ...
King's user avatar
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2 answers
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Installing Siemens FS140 without a breaker

I live on a farm, with an overhead line coming in, a transformer on a pole, and a line to the meter. My main panel has 200A breaker, that's split between house, pole barn, and ag barn. We have regular ...
bsd's user avatar
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Is there any benefit to installing a second surge protection device at the sub-panel for long distances?

We received had a significant weather event here in Texas where I lost a AC Compressor control board, a landscape power supply (literally blew it apart), and some pool equipment. Not sure where the ...
Stuart McKenna's user avatar
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2 answers
101 views

Breaker Sizes on Sub-Panel SPDs

I'm considering a Type 2 SPD install in my garage sub-panel the which provides the majority of feeds inside my house. The main panel is already protected by a Siemens FS140 SPD, but since the sub-...
Stuart McKenna's user avatar
2 votes
1 answer
900 views

Will in-panel whole house surge protector serve parallel main panel?

I have two Square D QO main panels split from a 320A service. They make a plug-in whole house surge protector for these panels. Question: Would a QO plug-in surge protector placed in either panel ...
jay613's user avatar
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Can I install a HEPD80 on a 40 amp 2-pole breaker

I bought a HEPD80 surge protector to install in an old 100A Pushmatic panel. It has 12 AWG leads and for installation as a Type 2 SPD the paper that came with it calls for a 20A 2-pole breaker; I also ...
User41943's user avatar
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12 votes
3 answers
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How can I overcome the 30 ft distance requirement of a surge protector?

I bought a new surge protector and the included specification material says I need 30 feet between the outlet and the service panel. My situation is probably about 5 feet. The outlet I want to protect ...
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2 votes
2 answers
593 views

What are the grounding/bonding requirements for outdoor-mounted power over Ethernet (PoE) security cameras?

I am planning a construction project; as part of it, I will install several security cameras mounted to the underside of my soffits. The cameras will be connected and powered via a wired network (...
Frank Lesniak's user avatar
1 vote
1 answer
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Surge protection

I have an outdoor meter socket with a 150 amp panel for the heat pump and just inside the house I have a 200 amp whole house service. Where is the best place to install this surge protector. I would ...
user161143's user avatar
2 votes
2 answers
2k views

Can a whole house surge suppressor be installed in a sub panel?

The situation: I am looking to install a whole-house surge suppressor as part of my electrical upgrade. I'll be going from a 100a to 200a service, moving the meter location, changing from an overhead ...
FreeMan's user avatar
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When installing a whole home surge protector, is it better to have short wires or to use a breaker at the top of the panel?

I would like to install a SquareD HEPD80 whole house surge protector. My electrical panel has the main line feeding in from the top, and all accessible knockouts are on the bottom of the panel -- the ...
I Like Broccoli's user avatar
1 vote
2 answers
564 views

Square D HEPD80 Installation with No Ground Bar

I want to install a HEPD80 whole house surge protector. Its on the main panel, but there is no ground bar in the panel. I live in Illinois where everything is in rigid metal conduit and grounding is ...
Buck's user avatar
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1 answer
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Can I Use a square d sdsa1175 Surge Protector with a 115v Mini Split?

Putting in a MrCool 12k btu mini-split and wish to add a Square D sdsa1175 to the outside disconnect box. The SPD has 3 wires (2 black, 1 white), which (I assume) is normally for a 230v system where ...
Jimmi Salvatore's user avatar
2 votes
1 answer
2k views

Best way to install multiple whole house surge protectors

I’m just learning about whole home surge protection devices (SPDs). I recently upgraded my electrical panel and decided to add the panel brand’s latest model of in-panel SPD. The data sheet for the ...
RibaldEddie's user avatar
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Can I use a quad breaker to install a whole-house surge protector?

I would like to install a surge protector in my panel. I am limited on space and it calls for two 30 amp breakers. Is it possible to use a quad breaker? I included a photo of the breaker.
Mak2290's user avatar
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Surge Arrester/Surge Protection Device (SPD) Type 2 Installation and its external Short Circuit Protection Device

BACKGROUND I live in a small town where it is difficult to find certified electricians. In fact, electrician certification is not common for residential installations. I did find some experienced ...
Daniel Denny Dillan's user avatar
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1 answer
289 views

Reverse surge protection

This is somewhat related to the question I found here: Will a spike protector work in reverse? I have a trusty old 3D printer running on the same power strip as my two computers including a screen. ...
Markus Appel's user avatar
2 votes
0 answers
978 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, ...
Nick's user avatar
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2 votes
7 answers
923 views

How to protect house hold electric appliances from mishaps

I have so many electric appliances installed at my home. I have been recently reading in newspapers that some electric appliance are getting affected due to high or low voltage or short circuit issues ...
CuriousMan's user avatar
4 votes
5 answers
4k 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 ...
Zero's user avatar
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0 votes
2 answers
268 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 ...
Maesumi's user avatar
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4 votes
2 answers
1k 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 ...
hometech99's user avatar
2 votes
1 answer
2k 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 ...
stmp945's user avatar
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2 votes
2 answers
1k 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 ...
stmp945's user avatar
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1 vote
2 answers
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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 ...
Luis De Vivero's user avatar
0 votes
1 answer
53 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 ...
user3424293's user avatar
1 vote
2 answers
323 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-...
PJN's user avatar
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1 vote
2 answers
2k 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 ...
Jim Smith's user avatar
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0 votes
1 answer
4k views

Converting generator power to "clean" power for sensitive electronics

I have a Duromax "Beast" power generator that I've been using to run my home during power outages due to storms, etc. From the start, I decided to do things right and had an electrician ...
Superion's user avatar
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4 votes
2 answers
2k 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 ...
StayOnTarget's user avatar
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2 votes
2 answers
2k 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 ...
xboxhaxorz's user avatar
1 vote
3 answers
2k 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).
Evan Haas's user avatar
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4 votes
1 answer
2k 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 ...
james_m's user avatar
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8 votes
4 answers
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 ...
RustyShackleford's user avatar
0 votes
1 answer
124 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 ...
Rick T's user avatar
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2 votes
2 answers
110 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 ...
Poison_Frog's user avatar