Testing and Confirming Wire Configuration of PV (DC) Disconnects
Mastering PV Disconnect Continuity Testing: MC4-Style and Conduit-Style
Introduction
When you’re installing your own solar system, one of the most important steps is making sure your PV disconnect is wired correctly and that the positive and negative (polarity) connections are lined up the right way. This simple check gives you the confidence that your disconnect will work as it should — safely shutting off your panels when needed and keeping your system running smoothly.