The Square D EZM313125 is a 3-phase in 1-phase out meter socket with 3-gang 125A ring type design. Made of metal and featuring waterproof construction, it is suitable for wall mounting in exterior applications. Designed for metering purposes, this rectangular box shape includes 3 outlets with a maximum amperage of 800A bus and 125A each gang. Additionally, it is compatible with Ring smart home technology for added convenience.