An ink curing apparatus comprising a lamp housing with a lamp fitting for a lamp terminal of a UV lamp at each opposing end, wherein at least one of the lamp fittings is non-conducting and has a non-conducting lamp terminal seat which has a concave profile for receiving a substantially spherical lamp terminal end piece; whereby, in use during the fitting or removal of a lamp, the at least one lamp fitting allows a lamp terminal end piece to rotate about multiple axes, while being retained substantially in position at the lamp fitting.