Tetra® Power Supply GEPS24D-80U Installation Guide
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Power Supply Installation
Mount the power supply with the
base in contact with the mounting
surface in an electrical enclosure
with adequate dimensions to
satisfy the power supply spacing
requirements described above,
and suitable for the installation
environment. The power supply
and electrical connections shall be
protected from weather and not
subject to saturation with water
or other liquids. If not protected
from the weather, the output and
dimming connections may be
sealed with electrical grade silicone.
Connect the supply wire that
is attached to the Tetra LED
System to the red (+) and
black (-) output wires of the
power supply as outlined in the
“Electrical Connections” section
of your LED system’s Installation
Instructions.
Connect the AC line to the black
(line) and white (neutral) input
wires of the power supply using
18-14 AWG (0.82-2.08 mm2)
or 18-10 AWG (0.82-5.26mm2)
twist-on wire connectors.
Properly ground power supply in
accordance with National Electric
Code (NEC) Article 600.
Connect the (+) purple and (-) gray
wires of the Tetra Dimming Power
Supply to the 0-10V dimming
controller. Refer to the dimming
controller installation instructions
for specific connection information.
NOTE: To avoid overloading this
power supply with LED modules,
please refer to the specific module
loading guides.
To Tetra LED System
To Dimming
controller
Output
wires
White (neutral)
Black (line)
Red (+) Black (-)
AC line
To Tetra LED System
Purple (+)
Purple (+)
Gray (-)
Gray (-)
Dimming
controller
NOTE: For CSA approval, a disconnect/toggle switch of appropriate rating
needs to be placed within 29.5 ft. (9 m) of primary side of the power
supply. The minimum rating of the switch must be either 120 or 220 Volts
AC. The switch must also support twice the amount of input current.
NOTE: When installing power supply, connect to the appropriate sized
building breaker or disconnect device for line and neutral connections, in
accordance with local, state or country regulations.
NOTE: The grounding and bonding of the power supply and overall sign
shall be done in accordance with National Electric Code (NEC) Article 600.
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4
OPTIONAL
A Weather Box (GEXNWB2) may be used to
house and seal Class 2 connections.
A) Insert wire connectors into weather box. Fill
with electrical grade silicone and close box.
B) Secure the weather box using a #6 or #8
(M2 or M3) screw.
Weather box
can be painted
Light engine
A B
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