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A standard power supply comes prewired with a 60” (1.5m) AC cord with a plug end for use in a standard 120VAC outlet and the output (DC) side equipped with color-coded lead wires or a DC plug.

Select a power supply based on the total wattage required for your lighting arrangement (at full brightness), choosing one with an output equal to or greater than your calculated need (see chart).

The 8W to 60W power supplies are rated for indoor installation only, but can be used to power outdoor lighting; simply install the power supply indoors and run outdoor-rated wiring from it to the lights.

The 90W power supply is certified for use in damp environments (IP67 rating). If you install the 90W power supply outdoors, we recommend consulting your local electrical building code before connecting it to household electrical power.

It is advisable to install any outdoor power supply and electrical connections where they are shielded from exposure to the elements. cETLus listed.

LED Tape Lighting

For tape lighting, the power requirement is determined by the wiring configuration, the LED density (# LEDs/m) of your chosen lighting and the length of the lighting. The lengths shown in the chart are totals for the tape lighting (at full brightness) in various wiring configurations.

A straight-run layout uses single or multiple strips in series powered only at one end of the LED strip. A center-feed layout powers two equal legs of tape lighting from a central position; a loop-back layout has both ends of the LED tape powered simultaneously. Array layouts have several unequal lengths of tape powered from one end. Do not include the length of connecting wires when referencing the chart.

For long lighting runs, an array-based wiring configuration, makes the best use of the capacity of the larger power supplies. For installations combining tape lighting and individual LED lights, the power supply should be chosen based on the sum of the two power requirements.

For Individual LED Lights

For all individual (non-tape) LED lighting, the appropriate power supply wattage is determined by the number of lights being used and their wattage at full brightness. For example, a 24-watt power supply effectively runs up to 6 of the 4W white downlights.

Exceeding the power supply’s capacity will cause the lights to flicker or appear dim. The number shown in the chart below indicates the maximum number of individual LED lights that can be installed per power supply.

Maximum Tape Lengths for Straight Layouts
LED
Density
LEDs/m
A. 8W

00U41.87
Instr

$17.00
Add to cartOnline: Currently out of stock, expected June 7

B. 20W

00U41.88
Instr

$23.50
Add to cartOnline: Currently out of stock, expected May 29

C. 30W

00U41.83
Instr

$36.50
Add to cartOnline: Available

D. 60W

00U41.84
Instr

$59.50
Add to cartOnline: Available

E. 90W

00U41.85
 

$105.00
Add to cartOnline: Limited quantities

White LED Tape Lighting

Note: 120 density is for
indoor use only.

30 9.8' (3m) 46' (14m) 46' (14m) 46' (14m) 46' (14m)
60 4' (1.2m) 14' (4.3m) 23' (7m) 23' (7m) 23' (7m)
120 2.3' (0.7m) 6.6' (2m) 11' (3.3m) 16.4' (5m) 16.4' (5m)

Color Controlled (RGB)
LED Tape Lighting

Note: 60 density is for indoor use only.

30 3.3' (1m) 9' (2.8m) 16.4' (5m) 32.8' (10m) 32.8' (10m)
60   4.4' (1.3m) 7' (2.1m) 16.4' (5m) 16.4' (5m)
Maximum Tape Lengths for Center or Loop-Back Layouts
LED
Density
LEDs/m
A. 8W

00U41.87
Instr

$17.00
Add to cartOnline: Currently out of stock, expected June 7

B. 20W

00U41.88
Instr

$23.50
Add to cartOnline: Currently out of stock, expected May 29

C. 30W

00U41.83
Instr

$36.50
Add to cartOnline: Available

D. 60W

00U41.84
Instr

$59.50
Add to cartOnline: Available

E. 90W

00U41.85
 

$105.00
Add to cartOnline: Limited quantities

White LED Tape Lighting

Note: 120 density is for
indoor use only.

30 8.6' (2.6m) 26' (8m) 46' (14m) 96' (29.2m) 96' (29.2m)
60   11' (3.4m) 20' (6m) 46' (14m) 46' (14m)
120     8.2' (2.5m) 22' (6.7m) 32.8' (10m)

Color Controlled (RGB)
LED Tape Lighting

Note: 60 density is for indoor use only.

30   8.2' (2.5m) 15' (4.6m) 32.8' (10m) 65.6' (20m)
60       14' (4.25m) 26' (8m)
Maximum Wattage for Array Layouts
A. 8W

00U41.87
Instr

$17.00
Add to cartOnline: Currently out of stock, expected June 7

B. 20W

00U41.88
Instr

$23.50
Add to cartOnline: Currently out of stock, expected May 29

C. 30W

00U41.83
Instr

$36.50
Add to cartOnline: Available

D. 60W

00U41.84
Instr

$59.50
Add to cartOnline: Available

E. 90W

00U41.85
 

$105.00
Add to cartOnline: Limited quantities

Calculate each leg's wattage requirement separately, then add together for the total watts needed for your array. Select a power supply that exceeds the total watts needed.
Example:

 

Leg 1 is 6' of 30 LEDs = 6W
Leg 2 is 12' of 30 LEDs = 10W
Leg 3 is 3' of 30 LEDs = 3W
  Total wattage = 19W
Requires 20W power supply
White LED Density
LEDs/m:

30
Length 3.3'
(1m)
6.6'
(2m)
9.8'
(3m)
13'
(4m)
16.4'
(5m)
19.7'
(6m)
26.2'
(8m)
32.8'
(10m)
39.3'
(12m)
46'
(14m)
Watts 3 6 8 10 12 14 15 17 18 19
   Maximum Recommended Tape Length:
   Straight run configuration 14 meters (46 ft) – will use approximately 19 watts
   Center feed configuration 28 meters (92 ft) – will use approximately 38 watts
White LED Density
LEDs/m:

60
Length 1.6'
(0.5m)
3.3'
(1m)
4.9'
(1.5m)
6.6'
(2m)
8.2'
(2.5m)
9.8'
(3m)
13'
(4m)
16.4'
(5m)
19.7'
(6m)
23'
(7m)
Watts 3 6 9 12 14 16 19 22 24 26
   Maximum Recommended Tape Length:
   Straight run configuration 7 meters (23ft) – will use approximately 26 watts
   Center feed configuration 14 meters (46 ft) – will use approximately 52 watts
White LED Density
LEDs/m:

120

Note: 120 density is for
indoor use only.
Length 1.6'
(0.5m)
3.3'
(1m)
4.9'
(1.5m)
6.6'
(2m)
8.2'
(2.5m)
9.8'
(3m)
11.5'
(3.5m)
13'
(4m)
14.8'
(4.5m)
16.4'
(5m)
Watts 6 11 16 20 23 26 29 31 34 36
   Maximum Recommended Tape Length:
   Straight run configuration 5 meters (16.4 ft) – will use approximately 36 watts
   Center feed configuration 10 meters (32.8 ft) – will use approximately 72 watts
Color Controlled
(RGB) LED Density
LEDs/m:

30
Length 1.6'
(0.5m)
3.3'
(1m)
6.6'
(2m)
9.8'
(3m)
13'
(4m)
16.4'
(5m)
19.7'
(6m)
23'
(7m)
26.2'
(8m)
32.8'
(10m)
Watts 4 8 15 21 25 29 32 35 38 40
   Maximum Recommended Tape Length:
   Straight run configuration 10  meters (32.8 ft) – will use approximately 40 watts
   Center feed configuration 20 meters (65.6 ft) – will use approximately 80 watts
Color Controlled
(RGB) LED Density
LEDs/m:

60

Note: 60 density is for
indoor use only
Length 1.6'
(0.5m)
3.3'
(1m)
4.9'
(1.5m)
6.6'
(2m)
8.2'
(2.5m)
9.8'
(3m)
11.5'
(3.5m)
13'
(4m)
14.8'
(4.5m)
16.4'
(5m)
Watts 8 15 22 28 33 37 41 44 46 48
   Maximum Recommended Tape Length:
   Straight run configuration 5  meters (16.4 ft) – will use approximately 48 watts
   Center feed configuration 10 meters (32.8 ft) – will use approximately 96 watts

Maximum Number of Individual LED Lights per Power Supply
LED Light

Watt/
unit

A. 8W

00U41.87
Instr

$17.00
Add to cartOnline: Currently out of stock, expected June 7

B. 20W

00U41.88
Instr

$23.50
Add to cartOnline: Currently out of stock, expected May 29

C. 30W

00U41.83
Instr

$36.50
Add to cartOnline: Available

D. 60W

00U41.84
Instr

$59.50
Add to cartOnline: Available

E. 90W

00U41.85
 

$105.00
Add to cartOnline: Limited quantities

    Maximum Number Of Lights
 Mini-Recessed, White 1 8 20 30 60 90
 Mini-Recessed, Color-Controlled
 (RGB)
1.2 6 16 25 50 75
 3-Watt LED Downlight 3.24 2 6 9 18 27
 4-Watt LED Downlight 4 2 5 7 15 22
 LED Landscape Light, White 5 1 4 6 12 18
 LED Landscape Light, (RGB) 10   2 3 6 9
 LED Wafer Light, White 3 2 6 10 20 30

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