ETC Installation Guide
Pro One-Cell
Pro One-Cell
Page 11 of 29
ETC
Preparing the Ceiling for Recessed Luminaires
This section is specific to the recessed/flush mounted variant of luminaires. For Pro One-Cell yoke-
mounted luminaires, proceed to
Wiring the Driver and Luminaire on page 12
Cut a hole in the ceiling or ceiling tile to accommodate the luminaire’s retaining clip anchors. Cut
the hole larger than the minimum hole diameter listed below and smaller than the luminaire’s outer
bezel. The images below provide an example of the bezels on the Pro One-Cell luminaires.
Luminaire
Minimum Hole Diameter
Pro One-Cell
16.5 cm (6-1/2 in)
Pro One-Cell High Output
17.0 cm (6-11/16 in)
Pro One-Cell Small
9.5 cm (3-3/4 in)
Pro One-Cell Micro
7.6 cm (3 in)
Note:
If you are installing the luminaire into an ArcSystem Recessed Ceiling Adapter,
refer to the
ArcSystem Recessed Ceiling Adapter Installation Guide
for the minimum
diameter hole to cut in the ceiling to clear the flange on the bottom of the bracket.
Note:
Maximum ceiling thickness for safe use of the luminaire retaining clips is 1.9 cm
(¾ in).
Pro One-Cell
fixed model
Pro One-Cell
adjustable model
A
A
B
B
Pro One-Cell Small
adjustable model
A
B
Pro One-Cell High Output
adjustable model
A
B
Pro One-Cell Micro
adjustable model
A
B
A Outer bezel
B Inner bezel