Surge Protectors

I absolutely use and encourage the use of a whole house surge suppressor, but here is a page and video that help clarify how they work and why you still need point-of-use protection as well.

The written documentation makes it clear:

For your more sensitive electronic plug-in equipment such as phones, computers, DVDs, DVRs and stereos, Tesco and Platte-Clay recommend electronics-grade point-of-use surge protectors in addition to the Tesco MSA surge protection system.

That’s 100% consistent with the 2020 NEC and the docs from Siemens, Square D and Eaton.

Further, watch the video where the MOV that are used is discussed.

Also, note it's $5 / month with a waived $30 installation fee.  Far better deal!

https://pcec.coop/products/surge-protectors/

@cleeds  - Some plug-on units are rated for either Type 1 or 2, but clearly closer to the meter is better.  Siemens Bolt Shield for instance.

Whole house surge suppressor. No need for individual surge strips also protects your appliances HVAC etc.

I’m sorry but there’s a whole lot of misinformation here. Yes, whole house surge protectors are a good thing and everyone should get them.

No need for individual surge strips

As I explain in my blog, consistent with the 2020 NEC and all whole house surge protector documentation, this is simply not correct. Unfortunately, in some cases you need to read the find print to get to the full disclosure. They are "whole house," but not "every device." The technical issue is the high let-through voltages of whole house suppressors vs. the best-in-class outlet surge protectors. Around 600V for whole house but < 200V for the best in-class strips. These include:

• Furman with LiFT/SMP
• Some TrippLite
• SurgeX
• Brickwall

How important any of this is depends a lot on where you live and the propensity to lightning strikes and power problems in your experience.

They also dont rely on MOV"s that wear out over time.

Every whole-house surge protectors I’ve seen from Siemens, Eaton and Square D absolutely rely on MOV’s and do wear out over repeated use. There may be some that are based on gas discharge tubes though I haven’t seen those in ages and I think they used to go on the outside meter.

Whole-house protectors are meant to protect the wiring in the walls and things which are permanently connected, now including fire alarms, automated controls, and major appliances.  They don't have the fast or fine voltage clamp downs needed to ensure delicate electronics need.

Whole house surge protector installed by the local power company BREMC is $175 + $10 per month. Everything plugged in inside the house is covered by their guarantee.

That’s expensive. Usually they don’t charge the install fee. Figure an electrician can install one in your panel for around $350 including parts, and no monthly fee.  In many cases a homeowner can install one themselves, especially if it's a plug-on unit that fits in place of breakers.

I wrote much more about this here:

https://inatinear.blogspot.com/2021/09/time-for-new-surge-suppression.html

@rlb61 If you already own them and have used them for years there’s no reason to change. They’ve already delivered their value to you and will continue to do so, but in terms of new purchases I think they’ve been dethroned as the best buy.

I tried to make my reasoning clear in my blog post but here is the summary:

• They are no longer the only one’s relying on series mode protection.  Furman with SMP has it too and it's very good. TrippLite has some models which seem to perform as well but I'm not 100% sure if it's series mode or not.
• Zero/Brickwall no longer test as well as other units in terms of let-through voltage. The legendary low let through and low response times they gained fame for have been bested. See the Wirecutter article I link to.
• For the price they lack features we may want which Furman has, things like switched outlets, built in voltage regulation, active noise filtering, power factor correction, etc..

Of course ZeroSurge, Furman and TrippLite offer many different models but a straight up comparison between a ZeroSurge and a Furman with SMP and Lift makes the Furman a better buy.

.it costs as much as many amps but so long as lightning didn’t kill one more often than every few years I could afford to replace it.

Heh, that’s just it. I really don’t want to replace my amp, either because of cost or because of weight. At just over 50 lbs the idea of physically taking it to be repaired or going out to shop for a replacement is really a lot of work for me. :)

If lightning made it through my network, I’d probably lose most of my audio components. Call me lightning averse or paranoid, I know, but this is the stuff I really don't want to have to replace.

Sure protectors are all about limiting current, not providing a nice full flow of electrons.

Really don't know how you get to that conclusion. Most surge protectors do nothing until a surge hits. I’ve been in a couple of situations where not having my Furman in the system made the sound hazy. Probably due to the proximity of neighbors in apartment complexes.

Here in SC, there’s no way I run my gear without one.

I doubt it's a bottleneck, but here's my advice on the latest crop of surge protectors:

https://inatinear.blogspot.com/2021/09/time-for-new-surge-suppression.html