MC4 Connectors: The $1 Weak Point in Solar System Failures

Male and female MC4 solar connectors used to connect photovoltaic panels

A solar power system can cost thousands, or even millions, of dollars. For homeowners, even a small rooftop solar setup represents a significant investment. Yet again and again, system failures trace back to a component that costs around $1. Not the solar panels. Not the solar inverter. Not the batteries. The failure starts at the … Read more