There are 8 appropriate plugs included

while the insulated frogs are molded in a special hard-wearing plastic

Model Number: DN136D

Here is a MTH 30-11044 O Scale RailKing 12-Piece Figure Set of Railroad Employees

The Trainz SKU for this item is P11505760

Rapido Trains 517010 N New Haven 8600-Series Coaches McGinnis Scheme #8646 ProductID_11504958 There are 8 appropriate plugsThis is a Rapido Trains 517010 N Scale New Haven 8600 Series Coaches McGinnis Scheme with Skirts #8646. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Rapido Trains Model Number: 517010 Road Name: New York New Haven & Hartford (NH) Scale Era: N Scale Model Type: Passenger Cars (New) The Trainz SKU for this item is P12289650. Trainz Product Id: 12289650