Introduction SFI or SAL Flicker Immunity – now called RippleShield™ – is a new system of lights and dimmer created by SAL to eliminate the flickering down lights associated with the off-peak hot water tones in NSW and S.E. Queensland and off-grid solar system with generators, Australia wide. RippleShield™ achieves this at a much lower … Continue reading What is RippleShield and how does it work with PIXIE?