Based on the information found via the internet, I believe the difference in siding materials depends a lot on where you live and what kind of climate you experience year round for your location. I'm ... read more
If it's solid red it might be indicating a tripped GFCI, if it's flashing it might be defective. When I say might it's because not all GFCI-s have the same type of light or color. Some are lit when o ... read more