:: How to assemble ATS:: Connect Lugs  Transfer Switch Connector Lugs Mode NO. Lug mode NO. Wire range (Unit:AWG) Wire range (Unit:mm2) Mechanical Specifications N-125 CA-110 14-1/0 1.5-50 Dimension G-125 CA-110 14-1/0 1.5-50 Dimension N-225 CA-210 6-250MCM 16-120 Dimension G-225 CA-210 6-250MCM 16-120 Dimension N-400 PV2-300 6-300MCM 16-185 Dimension