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?
2
votes
1answer
412 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 ...
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
2answers
591 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 ...
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
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 ...
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, ...
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 ...