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WAC Lighting retains the right to modify the design of our products at any time as part of the company's continuous improvement program.   MAy 31, 2016 10:13 AM

waclighting.com

Phone (800) 526.2588
Fax       (800) 526.2585

Headquarters/Eastern Distribution Center

44 Harbor Park Drive  
Port Washington, NY 11050

Central Distribution Center

1600 Distribution Ct
Lithia Springs, GA 30122

Western Distribution Center  

1750 Archibald Avenue  
Ontario, CA 91760

3

INSTALLATION INSTRUCTION

Magnetic Transformer

9075-TRN-SS / 9150-TRN-SS / 9300-TRN-SS

MOUNTING INSTRUCTIONS:

1.  Carefully locate and install the power supply so that it is not 

in contact with insulation or combustible materials. Provide 

minimum of 12 inches of airspace around the power supply. 

Transformer must also be mounted a minimum of 12 inches above 

grade. (

Fig. 1

2.  Securely mount the power supply using the mounting brackets on 

the power supply enclosure. Drill screw holes at the right locations 

(see dimensions in 

Fig. 1

) and make sure use appropriate screws 

for the selected mounting surface.  

3.  Hang transformer case securely over the screws.  

4.  Plug in the power cord to a GFCI protected outlet with a cover that 

complies with the National Electrical Code for the location. 

5.  Use appropriate and approved wiring methods to connect the 

power supply and the lighting fixtures. 

6.  When using this power supply, the voltage will be reduced and the 

current will be significantly increased. 

7.  When complete, use the loop on the photocell terminal to 

verify that the input current does not exceed the rating of the 

transformer.

TRANSFORMER SIZING - VA VALUE

 

Low voltage lighting systems require the use of a transformer to reduce the standard 120 volt power from ordinary household electricity to 

the 12 volt needed to power low voltage lamps. Transformers vary in size of capacity. The total lamp VA (load) of all fixtures connected to one 

transformer must not exceed the VA capacity of the transformer. Therefore, to determine the transformer size needed, simply add up the VA 

of all lamps you plan to use. 

TRANSFORMER SIZE > TOTAL FIXTURE VA

Select a transformer that matches as closely as possible to your total lamp VA. If you total VA is too great, either divide the total load between 

two transformers or use a more powerful model. Selecting a transformer with about 20% higher capacity than you total lamp VA will allow for 

adding a fixture or two later. 

13 7/16”

18 5/16”

GFCI Outlet

Fig. 1

2”

12” Min

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