8mm +/T/L Shape 2 Pin 3528 LED Strip PCB Corner Connector for Single Color Lighting – Alexnld.com
4-Pin 10mm L-shaped 90 Degree Corner Solderless PCB to PCB Buckle Connector For 5050 RGB LED light strips [RGB-ACCESSORIE-029]
BG304-04-A-0500-L-G GCT | Mouser
M12 Power L-Code Panel-Mount PCB Connectors - TE | Mouser
5050 4Pin LED Strip Connector Kit with 2 Way RGB Splitter Cable, 2x Strip to RGB Controller Jumper, 2x LED strip to strip Jumper, 5x Cuttable L Shape PCB, 10x Gapless Connectors,
RGB LED Strip Connector 4pin 10mm L Shape / T Shape / X Shape PCB Connector 5-50 | eBay