16A inserts Inserts for ILME multipole connectors include a large variety of models: types CCE, CQE and CDC as well as MIXO models 16A (crimp contacts M/F), the popular CNE (screw contacts), CSE (spring contacts), and terminal-block type CTE (screw contacts) and CTS (spring contacts). Inserts are made of self-extinguishing thermoplastic resin, UL94V0. Contacts are made of brass, silver plated. Inserts type JCNE (screw) or JCSE (spring) are rated 16A, but are made of brass, tin plated.