Reconditioned fusible ITAP and breaker style IBP bus plugs for Cutler Hammer Pow-R Way plug-in bus duct. The Pow-R Way bus duct and bus plugs were manufactured by Westinghouse. The bus plugs are currently manufactured by Eaton. Please note, the ITAP bus plugs differ from the TAP bus plugs used on the Standard/Lifeline busway, and the two styles are not interchangeable. This article can help you determine which type of bus plug you need.