Surge Guard Protector..????

DrewE wrote:

joelyn wrote:

THANKS... CHECKED IN TO THE SOUTHWIRE SURGE PROTECTION and I do see a difference in the joules, the progressive EMS-PT30X has 1790 JOULES and the SOUTHWIRE has a 2450 JOULES rating. Is 660 JOULES difference that big of thing???? I still like the PROGRESSIVE look and cover but if 660 JOULES (not even sure what they are, LOL) is that much better maybe I will rethink...................THANKS

Joules are a measure of energy, in this case energy that can be absorbed from transient surges. ("Surges" here mean quick spikes that are significantly higher voltage than expected.) Neither are anywhere near what it would take to protect from a very close lightning strike, which is probably the most common cause of significant surge damage. I would not worry about that difference one bit.

Drew E u were spot on in ur explanation of joules. here is a pretty good article to read if anyone else out there is looking for info on a EMS plug.....

What Are Joules And Are They A True Indicator Of Product Quality?

Among the other specifications found in the above 'surge protectors' for RVs reviews, you will see the joule rating displayed.

You will notice that the Southwire 'surge protectors' have a higher joule rating than the Progressive Industries 'surge protectors'. But what does this mean and is it important?

First, let's explain what a Joule is. I don't know about you, but my eyes bug out when I read Wikipedia's definition of Joule. So let's see if we can simplify what it is.

A Joule in the context of RV 'surge protector' for RVs is the maximum amount of energy that a 'surge protector' can absorb and dissipate as heat.

This comes into play when there is a voltage spike or power surge in the power supply. So in theory, the higher the Joule rating the better. But does this really matter?

One of the MOST important factors when looking at a surge protection for RVs is the response time.

In other words, how quickly the camper 'surge protector' will respond, for example, to a sudden voltage spike.

You want this to be an incredibly small number, so that the power supply issue doesn't have a chance to damage your RV.

The Progressive Industries 'surge protectors' for RVs have a response time of less than 1 nanosecond (one billionth of a second). That's a really small number, and thus a really fast response time.

So while Progressive Industries might have a lower Joule rating than Southwire, it really doesn't matter.

The Progressive Industries unit will have disconnected from the faulty power source before the excessive energy needs to be dissipated, thus protecting your RV.

This in one of the many reasons we picked Progressive Industries as having the best RV 'surge protectors'.
Portable Or Permanent Surge Protector?


HERE IS THE ENTIRE ARTICLE IF ANYONE WANTS TO READ IT......................

SURGE PROTECTOR INFO