Pool/Spa Underwater Lighting Application
INSTALLATION
For field wiring information, please refer to the instructions attached to inside of front cover.
• Make sure that all unused taps (leads) are separately insulated.
• Check voltage at lamp terminals after installation. It should be 12 ± 0.3 VAC.
• Voltages above 12.3 VAC at the light may cause the internal safety fuse of the transformer to switch
off and on. To prevent this from happening follow chart below for correct voltage and wire
gauge
selection.
2
Step 1
Select power source by adding up Bulb Watts
Step 2
Determine length of cable run(s)
Step 3
Determine wire gauge needed to deliver needed power
Step 4
Connect cable to output tap of transformer given in table
Transformer Cable - Voltage Selection Chart
Length of Cable
50 W Transformer
10 ft
12 V
12 V
12 V
12 V
12 V
20 ft
13 V
12 V
12 V
12 V
12 V
30 ft
13 V
13 V
12 V
12 V
12 V
50 ft
14 V
13 V
13 V
12 V
12 V
75 ft
14 V
13 V
12 V
12 V
100 ft
14 V
13 V
13 V
12 V
125 ft
14 V
13 V
12 V
150 ft
14 V
13 V
13 V
175 ft
14 V
13 V
13 V
200 ft
13 V
13 V
250 ft
14 V
13 V
Wire Gauge (AWG)
#18*
#16
#14
#12
#10
* Minimum Gauge Cable
**Blank fields indicate conditions not suited for wiring
Because of our commitment to continuing research and improvements, Intermatic Incorporated reserves the right to make changes, without notice, in the specifications and material contained
herein and shall not be responsible for any damages, direct or consequential, caused by reliance on the material presented.
INTERMATIC INCORPORATED,
LIBERTYVILLE, IL 60048
http://www.intermatic.com
LIMITED WARRANTY
Warranty service is available by either (a) returning the product to the dealer from whom the unit was purchased or (b) completing
a warranty claim online at www.intermatic.com. This warranty is made by: Intermatic Incorporated, 1950 Innovation Way, Suite
300, Libertyville, IL 60048.
For additional product or warranty information go to: http://www.Intermatic.com or call 815-675-7000.
