Hubbell Incorporated 28318-005 Start-Stop Plug-In Insert is a plug-in insert in Hubbell’s PG5 family, identified by part number 28318-005. The product is described as a Start-Stop Plug-In Insert, confirming its function as a control insert within compatible Hubbell assemblies. As part of the PG5 line, it is used in plug-in control configurations where a start-stop capability is needed.
