... for the twist-lock photocontrol, like LC-10/10J/10D series, Model: LC-10R is the receptacle of American type ... types: one is integral type for fixing outside like LC-10R, and the other is the prearranged type ... for inner lighting fixtures (Like Model LC-10R/1,LC-10R/2). The enclosure adopts bakelite material ... .At customer's request UL Approved Receptacle LC-10R (Used for Photo control)