RTS016N26SHEC03 is a coding color ring accessory designed for the ecomate® Aquarius™ and Aquarius™ Fathom Lock connector families, specifically for Shell Size 16 applications. This thermoplastic component provides visual identification and coding functionality to facilitate proper connector mating and system organization in industrial environments. The accessory is compatible with the ecomate® Aquarius™ series, which features IP65 to IP69K ratings in mated condition and supports amperage/voltage ratings up to 56A–300A and 600V–1000V depending on the specific connector configuration. Coding color rings are essential for Factory Automation, Industrial, Heavy Equipment, Transportation, and Entertainment/Lighting applications where multiple connector types must be quickly and reliably distinguished during installation and maintenance.