... Coupler, Industrial outlet We are professional manufacture of industrial plug and socket, coupling, connector /outlet. We can offer IP44, ... , 2P+E, 3P+E, 3P+E+N, plug and socket. And we have already gained CE, ROHS standard certificate, which means ... high insulating, resistant for chemicals and weather proof and almost unbreakable.Availability: IP44(Splash Proof) and IP67( Water Tight) To supply ...