Patent ID: 8371729

Claim:
A keyed mounting arrangement for a light mountable on a mounting rail having a keying feature, said keyed mounting arrangement comprising: a light body containing a light source, a cavity for receiving a source of electrical energy, and a switch for selectively coupling the light source in circuit with the source of electrical energy for producing light when a source of electrical energy is in the cavity; a clamping arrangement on said light body including first and second clamp members movable closer together for clamping a mounting rail therebetween and movable farther apart for releasing the mounting rail, said clamping arrangement including a clamp screw for moving said first and second clamp members closer together and farther apart; and a keying member having a key body removably disposed in a recess between said first and second clamp members in a predetermined location with respect to a fixed one of said first and second clamping members, said keying member being separate from said clamp screw and having a keying feature on said key body that engages the keying feature of the mounting rail when the light body is clamped to the mounting rail by said first and second clamp members.