Nikon D500 - Manual (Page 199)

199 Technical Notes
Wireless
transmitters
(
0 189)
• USB Cable Gaskets and Connector Covers: Use a UF-7 connector
cover for USB cables and UF3-RU14 USB cable gasket to
help prevent accidental disconnections. Before
connecting the cable, attach the UF-7 at the camera end
and the UF3-RU14 at the end that connects to the
wireless transmitter.
UF-7 (attaches to connector for camera)
UF3-RU14 (attaches to connector for WT-7)