Plugs, stoppers, and inserts fit into holes or cavities and are designed for the ends of shafts, tubes, pipes, fittings, connectors, screws, bars, or other shapes. They are designed to fit inside a ...

Circuit protection for bus plugs may be in the form of a circuit breaker or a fuse. Fused or circuit breaker bus plugs may be used in conjunction with different types of bus ducts and other busyway ...