100 Amp 240-Volt Non-Fused Emergency Power Transfer Switch. The GE 100 Amp 240-Volt Non-Fused EmergencyThe GE 100 Amp 240-Volt Non-Fused Emergency Power Transfer Switch is great for running your outdoor backup generator. This emergency power transfer switch is designed for use with 12 - 1 AWG/kcmil copper or aluminum lug wire.