
DESCRIPTION
10.00”
12.38”
17.50”
14.25”
5.00”
0.5” - 1.0”
7.63”
Ceiling 
Cut-Out
5.50”dia.
New construction I.C. housing for Mini Quiet Ceiling small aperture round 
trimless fixtures. (QCM5001, QCM5002, QCM5003, QCM5004). 
For use in insulated ceiling I.C. applications. Housing may be covered on 
all sides with insulation material.
SPECIFICATION FEATURES
A ...Housing
Housing and plaster frame: 18 gauge CRS 
with flat black powder coated internal 
finish. Adjustable trimless mud-ring can  
accommodate 1/2”, 5/8”, 3/4” & 1” ceiling 
thickness.
B ...System Protection:
Thermal protection provided to guard 
against overheating and misuse of 
insulation over and around fixture.
C ...Electrical
Integral j-box and low voltage (12V) 
transformer . 120V input, 12V output. 
Junction box is U.L. listed for through 
branch wiring. Includes seven 1/2 trade 
size knockouts.
D ...Lamp
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.
E ...Mounting
Hanger Bars included. Perforated flaps 
for secure drywall installation.
Ceiling Cut-Out: 5.50”
Catalog # Type
Project
Comments Date
Prepared by
Ceiling mudding compound is applied 
right to the edge of the fixture.
MINI 
QUIET CEILING 
TRIMLESS
QCM502IC
Insulated Ceiling 
Air Tite
 I.C. Housing
for Round Trim
FOR 12V MR16 50 watts max. 
ORDERING INFORMATION
QCM502IC
Housing
QCM502IC =  
Mini Quiet Ceiling  
I.C. Housing 
for Round Trim 
w/Integral Transformer   
www.cooperlighting.com
Transformer
ELC 
MAG 
=
  Electronic 
=
 Magnetic 
Voltage 
=
120 
 120 volts primary 
=
277 
 277 volts primary
Specifications and Dimensions subject to change without notice. 
RSA Lighting • 7945 Orion Ave. • Van Nuys, CA 91406 • 818-349-3030 • FAX 818-349- 3031 
rev. 091806