Switchcraft ip68 weathertight connectors switchcraft en3l8m weather tight coupler plug with 8 poles from the switchcraft en3 series ideally suited for use in the marine process control and medical electronics industries a double seal is created by moulding an o ring onto the cord housing and a gasket onto the panel housing a sealing cap is also available which suits both panel plugs and sockets switchcraft en3l8m 8 pole coupler plug weathertight