Wylex WS104 4 Module Four Pole Isolator Switch - 100A Incoming Main Switch Disconnector\r\n- Fabricated in heavy gauge steel, rust protected and resistant to weathering and mechanical damage.- Incorporated in the distribution boards are multi-terminal dual earth and neutral bars.- Designed for ease of installation and to have ample wiring space.- For indoor use only.- Suitable for use with switch disconnector, RCD, or direct connection incomer arrangement.\r\nWylex WS104 4 Module Four Pole Isolator Switch 100A Suitable for use with RCD, switch disconnector, or direct connection incomer arrangement. An integral meter kit is now available that includes a multi-functional digital meter, Din rail mounting plate, current transformer, fuses, and numbered wiring loom.