Cooper Lighting QCT905RM Fascicule

www.cooperlighting.com

9.48”

5.20”

12.00”

Up to 1-3/8”

Ceiling 

Cut-Out

7.10” dia.

Housing and plaster frame: 18 gauge CRS 

with flat black powder coated internal 

finish. Adjustable trimless meshplate 

and swing-out retaining brackets 

can accomodate up to 1-3/8” ceiling 

thickness.
B ...System Protection:

Thermal protection provided to guard 

against overheating and misuse of 

insulation over and asquare fixture. 

Vent holes in housing provide cooler 

operation.
C ...Electrical

Integral j-box and electronic or magnetic 

low voltage transformer. 120V or 277V 

input, 12V output. Junction box is U.L. 

listed for through branch wiring. Includes 

four 1/2 trade size knockouts. J-box and 

transformer are connected to the housing 

via flexible conduit.

12V MR16 50 watts max.  

(not included)

Internal rotation ring with locking 

adjustment. Provides 360º rotation of 

trim and secures original trim position 

after relamping.  “POSI-GRIP” bi-pin 

lamp socket for firm, mechanical lamp 

connection.

Housing is scored with three adjustable 

swing-out retaining brackets. 

Adjustment is made from countersunk 

screws on the face of the mesh plate. 

Perforated meshplate may be secured 

to drywall and/or joists (by others) for 

additional support.

QCT905RM =   

Quiet Ceiling  

Remodel Housing

for Square Trim 

w/ Integral Low Voltage 

Transformer   

 

       

120 volts primary 

277 volts primary

Remodel housing for Quiet Ceiling round trimless fixtures.
For 12V MR16 50 watts max.

For insulated ceiling applications. Insulation must be kept 3” from all sides 
and at least 1” above the housing.

RSA Lighting • 7945 Orion Ave. • Van Nuys, CA 91406 • 818-349-3030 • FAX 818-349- 3031

 

 Electronic 

Magnetic 

rev. 051508

Ceiling mudding compound is applied 
right to the edge of the fixture.