Surge Protection & Power Quality

MCOV in SPD: Maximum Continuous Operating Voltage Selection Guide

Surge Protector Joules Rating: How Much Do You Need?

SPD Installation Requirements: NEC, IEC & Safety Checklist

Where Should You Install SPDs in Your Electrical Panel?

Whole-House vs Plug-In Surge Protectors: Do You Need Both?

MOV vs GDT vs TVS Surge Protection: Technology Comparison

Power Strip vs Surge Protector: Which Should You Use?

Should You Put SPDs on Every Panel? The Triage Matrix for Smart Deployment

How to Size Your SPD kA Rating: The “Gatekeeper” Strategy (Main vs. Branch)

What Is an Over & Under Voltage Protector? (And Why Your Circuit Breaker Can’t Save You) 

Why Did My SPD Fail But My Breaker Didn’t Trip? (A VIOX Engineer Explains)

How Does an MOV Surge Protector Work? Circuit & Clamping