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Here is a schematic use on mini lathes and most electronics . The biggest problem is it on board and remove.? If was by fuse it would real simple to change out. Dave

I do live in California so know all probles . I also look into solar. The only way pay if you install your self and it used off grid. Dave

Thanks John animal

It's not the design, it is the device. A transient pulse needs to be dissipated. To do that, the MOV becomes a short and then when the voltage decreases, it can become a high resistance path again.

In technical terms the Varistor shorts out? (when a voltage spikes happen) flipping the breaker or burning out the fuse. So if not designed right you easly have fire because it gets very hot. Dave

Surge protectors aren't all equal . They said on the news just now the fire was started at one of the surge protectors for a 3D printer I believe .

I? read? discussion? for? week I am electronician this is? familar? for? me you? have? the right? solution but? you? can? find? this? kind of? device? in? any? vintage? ?monitor?

See my answers below in red: When in doubt, keep it simple, make sure your protection devices have all the proper connections to work, make sure your building wiring is strong enough to support your

Here part cost $0.15 each? Shipping? is around $6.00 so buy more than one for next time. The good news about part is only voltage you look at for most electronics. If you use whole like use for

The Varistor use today every where today beyond the mini lathes and DRO'S.? They are not plug in like fuse. It is found on the other side of fuse or breaker. You have disconnecte to test the part. If

I first found part on a Bridgeport mill DRO. The DRO die and found this part. The DRO was new in 1980 A pain to replace. Today I would just cut part onto and use power strip. It still in my mini lathe

AC is an important subject, and I thank for all input. Please keep on teaching us: Most of us know that the Earth cable (GND) is important. However, many (include me) dont have it in the workshop. (it

1. MOV failures are *usually *short circuit, but it depends on how much energy was diverted. If a lightning strike occurs, it is possible for there to be multiple short duration pulses with short

1- MOV failure mode is short circuit, not open circuit. Never put such a device on the fridge or a freezer line ! 2- Use exclusively MOVs on AC lines 3- Clamping voltage is not a big problem:

we had them across the line outputs I believe on all of our computer filters . Power cord , breaker, filter MOV or maybe it was on the filter inputs . that was 30 something years back . animal

FYI If ever had time where breaker flips or fuse blows when turn the power on electronics. You may want to check the Varistor is working and not blown. Dave

*Metal-Oxide Varistor or (MOV).* This typical found on board of motor controller of your mini lathe or other electronics like DRO'S Even TVS DaveOn Fri, May 17, 2024 at 07:32 PM, mike allen wrote:

MOV ? ??? animal

that bag of 100 probably came over a ocean to get to ya . Shit that I need to be able to count on I prefer that it ca,e from the island of USA . I don't think that ya can honestly test a system which

Reminds me of a great Casey Stengel-ism “No one goes there any more, it’s too crowded” I was actually just reading an Washington Post article about how the California grid operators have the