SPD (surge protection devices) are almost a prerequisite for every electrical and lightning protection system. Knowing when these devices are working or not can be a real pain. Usually, we’re forced to physically open up live panels to check if the plethora of SPDs is still functioning; very often, this task is made even more complicated on the data side of things, because there is no visual indication at all!
So, knowing electronic equipment is getting ever more critical to our ‘smart’ lives at home and in the workplace, it makes sense to know if your SPD is working.
After this piece, you will learn if you need to test your SPD and why you should or shouldn’t…