SPD Wiring Length Rules and Their Effect on Installed Protection
An SPD’s label isn’t the whole protection story: connection wires can add voltage during a surge. For BS 7671-based installations, the total…
Protecting PLCs from Power Surges on AC and DC Lines
AC and DC lines need different surge protection, so protecting PLCs from power surges starts with safeguarding each power path and its connected…
Common Modes of SPD Failure: Warning Signs, Causes, and Prevention
What if a failed SPD is warning you about more than the device itself? The common modes of spd failure include MOV degradation from repeated surges…
SPD Coordination for Maximum Protection: A Practical Guide
More surge protective devices don’t automatically mean more protection. If you’re unsure whether devices will work together or whether sensitive…
SPD Installation Best Practices for Reliable Protection
What if an SPD is correctly selected, but its placement and connections still leave critical equipment exposed? Reliable protection depends on more…