Suitable for unit, row, or suspension mounting. Multiple knockouts for convenient installation. Heavy duty industrial-type channel of code gauge die formed steel. Channel and cover include added forms for extra strength and rigidity. High reflectance white baked enamel finish. Quarter turn latch secures channel cover for easy wireway access. Standard end cap acts as coupler for continuous row mounting. Heavy Duty Coupler (cat. # TC-2) is available. cULus listed for damp locations. Self-contained fluorescent emergency power packs can be incorporated, listed for dry locations. Pressure lock lamp holders secured by snap-in socket plates. Green grounding screw installed in channel. Lamp holders may be individually replaced or rewired. Philips Day-Brite’s standard luminaires for high output T8 (380mA) and T12 (800mA) applications include ballasts rated for -20° F starting temperature.