JD1912 Car Relay Harness, 12V 40A, 4 Pin SPST, Iron Backrest with 12AWG Harness Sockets, Automotive Switches and Starters, for Automotive Truck Van Motorcycle Boat (2)
Contact: SPST; Number of Pins: 4; Contact Material: Ag Alloy; Insulation Resistance: ≤ 100MΩ
The wire on the high-power side of the relay is 12 AWG Tinned copper wire Coil leads use 18 AWG Tinned copper wire, which is safer when used at high currents