Luminaire for inductive lighting system

A luminaire for an inductive power transfer lighting system;

• the luminaire comprising:
• a luminaire body comprising a base and a hinged lid;
• a receiving coil within the base and electrically connectable to a lamp;
• a seal comprising a first sealing surface mounted in the base and around access to the receiving coil, and a second sealing surface mounted in the lid;
• wherein the first sealing surface includes a first power cable receiving channel running from one side of the base to an opposite side, and the second sealing surface includes a corresponding second power cable receiving channel running from one side of the lid to an opposite side;
• wherein the luminaire comprises clamping means;
• whereby when the lid is closed and clamped by the clamping means to the base, the lid and base are sealed together and the power cable receiving channels cooperate to form a bore for holding a power cable passing there through, in sealing engagement with the base and the lid and proximate to the receiving coil;
• and
• wherein at least one of the sealing surfaces includes at least one groove transverse to the direction of the bore.