5 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style 40A/30A high switching capability. Heavy-duty impact molded relay socket with 5 WIRESWhite (common), Black (normally closed), and Yellow (normally open). Package Include: 5 relays + 5 relay sockets with wires. Safety UL Flame retardant 9" wires for the main contact.