Mounting Frame: No.20 ga. (.032) galvanized steel. Four slots are Dimming controls: Use only dimmers specifically designed for use positioned 90º apart to simplify alignment of luminaires. with transformers, like Lightolier Onset series, Sunrise series LV or VA Mounting Bars: 20ga. galvanized steel. Lockable on frame-in kit. dimmers, or any Lightolier Controls dimming system. Extend from 14 (356mm) to 25 (635mm). Pre-installed integral nails for secure attachment to wood joists. Attaches to T-bar ceilings without the need of accessories. Socket: Porcelain body ; Two pin (GX5.3 base). Pre-wired with 18 ga. Teflon 250º leads to junction box. V Socket Cup: .022 galvanized steel. Easy snap-on to housing. Junction Box: 4 (102mm) x 3 (76mm) x 2 (51mm) 18 ga.galvanized steel. CSA certified for maximum of 8 No. 23 ga., 90º C through branch circuit. conductors. Integral cable clamp permit attachment of non metallic Loomex without need of additional connectors. Pry-out knock-outs accept BX cable Loomex clamp included. Easy access from both sides with snap on covers.