"Modular" RJ-45 plugs feature .35mm Phosphor-Bronze contacts with 50 u-inch gold over 50-100 u- in. nickel plated plating For 24-28AWG solid/stranded wire. Conforms to FCC-68.5 requirements. UL Listed.
2 prong for medium duty use (2 point wire connection)
3 prong for heavy duty use (3 Point wire connection) WT: .001