Star Tech.com 12in 4 Pin Fan Power Extension Cable - Extend the connection distance of a 4-pin cooling fan by 12 inches - 1ft case fan extension cable - 1ft 4-pin fan
Amazon.com: uxcell 20 Pcs USB Female Type A 4-Pin DIP Right Angle Jack Socket Connector : Electronics
EATON, 0.75 in Off Sensing Distance, 4-Pin Micro, Magnetically Actuated Safety Interlock Switch - 45MZ27|RS2-02-Q4 - Grainger
Photoelectric Sensor, Flat style PC housing, L.on/D.on selectable, NPN, diffuse reflection, front sensing, distance 40mm, 4-pin connector
GEEK SKY - WHITE/SKY BLUE
3 Pin Ww+cw Led Connector, 100pcs/lot, For Connecting 10mm Width 3.7mm Pin Distance Cct Led Strip To Strip, Factory Wholesale - Connectors - AliExpress