Ballast: 120 or 277 Volt, extreme temp range -30°C to 90°C, HPF electronic ballast [EBX] for FL. Metal Halide: HPF QV/Pulse Start Magnetic Ballast is Standard; Optional Electronic Ballast [EBMH].
Backbox: 16 gauge aluminum. Wire access through .875" diameter knockouts on four sides and back. Water tight. Standard with emergency battery, H.I.D., Induction and some fluorescent models. Optional for surface conduit entry.
Backplate: 16 gauge aluminum
Cage: Standardized .375" or .5" diameter aluminum guard bars secured by hidden means to the frame. Standard square extruded bars. Standard configurations shown; custom spacing available.
Diffuser: Translucent white non-yellowing 100% virgin acrylic. Fully enclosed. Clear top and bottom [CLTB] is Standard with Uplight or/and Downlight; Optional with other types of lamping.
Optional Opaque top, bottom or both [OTB]. Optional Open [OPTB] top and/or bottom — Indoor Only. Optional [PF] perforated aluminum insert.
Gasketing: High temperature and non-aging neoprene rubber and/or black EPDM completely around the perimeter of the lens and around the rear wire entrance hole. Protects against dust, moisture and outside contamination.
13 = 8¼" Width x 13¼" Height x 4" Depth (ADA) 16 = 8¼" Width x 16" Height x 5½" Depth 21 = 9¼" Width x 21" Height x 5½" Depth 26 = 12¼" Width x 26¼" Height x 7¼" Depth 41 = 14" Width x 41" Height x 8½" Depth
ADA Sizes 18-ADA = 8¼" Width x 18" Height x 4" Depth 21-ADA = 8¼" Width x 21" Height x 4" Depth 26-ADA = 8¼" Width x 26¼" Height x 4" Depth 30-ADA = 8¼" Width x 30" Height x 4" Depth
CA = Aluminum Backbox/Surface Conduit [2" deep] CLTB = Clear Top & Bottom (Standard with MU/MUD) CU = Custom Requirements DIM = Dimming Ballast (*Refer to Dimming Ballast Chart) EM = Emergency battery (CA required) - Damp Location (Must Specify Voltage [120V or 277V]; *Refer to Emergency Battery Chart) FUS = Fuse and Fuseholder H/L = Dual Circuit for High/Low Light Level for LED LEC5* = LED Emergency Circuit  Five Watt LEC10* = Emergency Circuit  Five Watt
*Must Specify Voltage for incoming EM Circuit [by others]
A = 12VDC; B = 120VAC; C = 24VDC; D = 277VAC MD = Integral Motion Detector - Specify "A" for single circuit-all on, all off; "B" for dual circuit, half on half off OTB = Opaque Top & Bottom OPTB = Open Top & Bottom (indoor only) PHT1 = Integral Photocell 120V [CA required] PHT7 = Integral Photocell 277V [CA required] REM = Remote Emergency Battery
self-contained in CA – Must Specify Voltage [120V or 277V];
*Refer to Emergency Battery Chart TPD = Tamperproof Screwdriver