1EA. LIONEL POSTWAR ZW TRANSFORMER REFRESH KIT YOU GET. 1EA POWER CORD, 8EA T-160 BINDING NUTS, 1EA RED & GREEN JEWEL LENS, 2EA #51 LIGHT BULBS . THIS IS A HEAVY DUTY 18 GAUGE STRANDED COPPER, TWO WIRE CORD. THE COPPER WIRE CORD HAS A 1250 WATT CAPACITY. THE LIONEL L IS MOLDED ONTO BOTH SIDES OF THE PLUG. THE COPPER WIRE ON THIS CORD IS TINNED. Why use tinned copper wire? Benefits of tinned wire. Tin is a useful plating for copper because it not only helps to boost copper's properties, it also helps the wire to last much longer than it would normally. ... As tinned resists corrosion and doesn't oxidize the plating helps to protect the copper underneath.