The Scintillator cable on the [6400 Series JEOL SEM](app://obsidian.md/6400%20Series%20JEOL%20SEM) uses # 5-[[TE 861610|861610]]-**X**, where is **X** is the wire gauge/insulation spec. - -2 for .3" insulation and 16-18 AWG - -4 for .3" insulation and 20-22 AWG The 5- in front means ROHS Spare contacts are 66101-2 for 16-18 AWG