Single pole 3 wire (line, load, neutral); Multiswitch (3-way), 4 wire (line, load, neutral, three-way). Maximum Load-1800 W resistive or inductive, 1 HP motor @ 120 V; Inductive Load-15 A @ 120 Vac; Resistive Load-1800 W @ 120 Vac. Works with Incandescent lights; Halogen lights; Fluorescent lights; CFLs; Electronic ballasts; Motors (up to 1 HP)