Embodiments of the invention include a luminaire with an elongated luminaire body and at least one longitudinal luminaire flange each of which extend longitudinally from one end of the luminaire body. The luminaire body being shorter than the luminaire length measured from the ends of both longitudinal luminaire flanges. The luminaire body can include a channel with a plurality of light sources, optical elements, power lines, and/or control lines. A connector is also disclosed according to some embodiments of the invention that can be used to physically and/or electrically couple two luminaires together. The connector can couple the luminaires at a T-bar.