Disappointed kids -- apparently there are two different versions of Lightstrip Plus and they are not compatible : r/Hue
Power Supply AC Adapter 24V 0.83A S020CM2400083 for Philips Hue Lightstrip Plus V3 V4
2x SPACER Extension Cable for Philips Hue Lightstrip Plus V3 3ft/1m 2 PACK White 8944738016006 | eBay
V3 to v4 adapter? What works best? Didn't realize there was two different version? Should I just buy a new v4 strip light or is there an adapter you recommend? : r/Hue
Contronix Extension Cord /Wire Compatible for Philips Hue LightStrip Plus (10 ft/3 m, 2Pack, White 6-pin V3)
Old Philips Hue Lightstrips can finally be extended again - Hueblog.com
Litcessory Controller to 6-Pin Adapter for Philips Hue Lightstrip Plus (Hardwired Version, White - STANDARD 6-PIN V3) - Walmart.com
Philips Hue Lightstrip Plus V3 Vs V4 - Comparison and Review video - YouTube