Lightolier C4T4W Folheto

Calculite

®

HID Wall Wash 

Page 1 of 2

4 1/2" Aperture, T4.5 Ceramic Metal Halide

Job Information

Type:

Job Name:

Cat. No.:

Lamp(s):

Notes:

a Genlyte Thomas Company

www.lightolier.com

631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2004 Genlyte Thomas Group LLC (Lightolier Division) • A0504

1. Upper Reflector: Clear anodized aluminum, 0.040” (16 ga.). Provides wide 

beam optics ideal for general lighting and wall washing.

2. Downlight/Wall Washer Reflector: Provides vertical surface wall wash-

ing and downlighting. Low brightness with 50° visual cut-off to lamp and
lamp image. Self-flanged reflector with white or matching (polished) flange.
Consult factory for other finishes.

3. Lamp Shield: High temperature glass as required by code, captive during 

re-lamping. Light diffusion provides extremely smooth beam.

4. Socket Housing: Galvanized steel, pre-wired with G8.5 pulse rated socket.

Snaps onto reflector/housing for secure attachment without tools. Unitized
construction assures proper optical alignment of lamp to reflector.

5. Mounting Frame: 0.048” (18 ga.) galvanized steel. Vertical adjustment

mechanism accommodates mounting to virtually any ceiling system using
mounting bars (provided), or 1/2" EMT tubing (by others). Single locking 
feature secures all adjustments. Alignment holes and markings allow 
fixture to be preset prior to installation. 

6. Mounting Ring: 0.048” (18 ga.) galvanized steel. Designed for vertical

adjustment from above or below for ceilings from 0” to 2” thick. Center-line
notches allow consistent alignment of multiple fixtures.

7. Mounting Bars: 0.048” (18 ga.) galvanized steel. Pre-installed, telescoping

bars extend to 30” long and lock securely into position. Built-in locking tabs
provide positive attachment to common T-bar systems. Self-centering feature
simplifies installation in 24” O.C. grid systems. Attaches to steel or wood
joists without accessories.

8. Trim Retention Springs: Rust resistant springs secure reflector/housing 

for quick, tool-less installation.

9. Ballast / Socket Housing / Cover Assembly: Electronic, snaps onto 

junction box without tools for inspection and ballast replacement, accessible
from below.

10. Junction Box: 0.048” (18 ga.) galvanized steel. UL listed for 8 No. 12 AWG,

90°C through branch circuit conductors. Allows inspection from below.

11. Thermal Protector: (Not Shown) Meets NEC and UL requirements.  Do not

install insulation above nor within 3" (76mm) of any part of the luminaire.

Electronic Ballast: 120V or 277V, 50/60 Hz., encased, high power 
factor, T.H.D. <15%, thermally and transient protected, RMI/RFI complies with 
FCC Part 18 non-consumer limits, shut-down circuit at end of lamp life, sound 
rating “A”, -5°F minimum starting temperature, Type 1 Outdoor rating.

20W MH

M156

120/277

0.21/0.10

23

39W MH

M130

120/277

0.39/0.17 

44

70W MH

M139

120/277

0.67/0.29 

78

Chicago Plenum: Consult Factory.

UL (Suitable for Damp Locations), CSA, I.B.E.W.
For 70W, install fixtures with minimum spacing between:
1. Center-to center of adjacent luminaries: 2 feet.
2. Top of luminaire to overhead building member: 1/2 inch.
3. Luminaire center to side building member: 1 foot.

Ceiling Cutout: 5 1/8” (130 mm) Dia.

Specular Clear, White Painted Flange.

Specular Clear, Matching Flange.

Comfort Clear Diffuse, White Painted Flange.

Comfort Clear Diffuse, Matching Flange.

Champagne Bronze, White Painted Flange.

Champagne Bronze, Matching Flange.

Electronic 120V

20W T4.5

Ceramic MH

Electronic 277V

20W T4.5

Ceramic MH

Electronic 120V

39W T4.5

Ceramic MH

Electronic 277V

39W T4.5

Ceramic MH

Electronic 120V

70W T4.5

Ceramic MH

Electronic 277V

70W T4.5

Ceramic MH

2" (50 mm) max.
Ceiling Thickness

Vertical Adjustment: 
5/8" (16 mm) to 
2 7/8" (73 mm)

7-1/2" 
(190 mm)

4-1/4" (108 mm) Dia.

5-1/2" (140 mm) Dia.

9-3/16" (233 mm)

8-7/8" (226 mm)

20" (508 mm) to 
30" (762 mm)