A lighting fixture includes a lighting tube and a light source assembly assembled in the lighting tube, and two end that respectively covers seal and block two ends of the lighting tube. Each of the two end covers is electrically connected with the light source assembly and an external element. The end cover includes a first connecting part and a second connecting part, the first connecting part is configured for achieving an electrical connection with the light source assembly and the external element; the second connecting part is sleeved outside the lighting tube and the first connecting part along a circumferential direction of the lighting tube, a periphery of the second connecting part is provided with a plurality of engaging parts, and the engaging parts are configured for achieving a mechanical connection with other lighting fixtures.

A lighting fixture includes a lighting tube and a light source assembly assembled in the lighting tube, and two end that respectively covers seal and block two ends of the lighting tube. Each of the two end covers is electrically connected with the light source assembly and an external element. The end cover includes a first connecting part and a second connecting part, the first connecting part is configured for achieving an electrical connection with the light source assembly and the external element; the second connecting part is sleeved outside the lighting tube and the first connecting part along a circumferential direction of the lighting tube, a periphery of the second connecting part is provided with a plurality of engaging parts, and the engaging parts are configured for achieving a mechanical connection with other lighting fixtures.

A strip light tube adapter kit for converting fluorescent strip lighting to use LED light tubes is provided. The strip adapter kit includes a light tube having electrical connector prongs at a connector end, a strip lighting fixture, a non-powered connector near a first end of the light tube mechanically connecting the light tube to the strip lighting fixture, and an AC line powered lower housing having an attached tombstone fixture with a slot for receiving the connector prongs. The lower housing is mechanically attached to the strip light fixture and the tombstone fixture includes first and second connectors for electrically coupling the connector prongs to AC line power.