Acme Catalog

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L o w V o l t a g e L i g h t i n g T r a n s f o r m e r s
115
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X1
H1
X2
120V
12V
H2
X1
H1
X2
120V
24V
H2
X1
H1
X2
240V
12V
H4
X1
H1
X2
240V
24V
H4
X1 X2 X3 X4
120V
INPUT
H4
H1
H3
H2
12V
OUTPUT
X1 X2 X3 X4
240V
INPUT
12V
OUTPUT
H1 H2 H3 H4
X1 X2 X3 X4
120V
INPUT
H4
H1
H3
H2
24V
OUTPUT
X1 X2 X3 X4
240V
INPUT
24V
OUTPUT
H1 H2 H3 H4
LOW VOLTAGE GENERAL PURPOSE TRANSFORMER BUCK BOOST WIRING DIAGRAMS
Voltage Drop Chart
Voltage at Lamp Life Expectancy of Lamp % of Rated Candlepower
13.2 2/3 Rated Life 350
12.6 3/4 Rated Life 180
12.0 As Rated 100
11.5 2X Rated Life 80
11.0 3X Rated Life 74
10.5 5X Rated Life 65
10.0 9X Rated Life 50
Cable Size Constant Chart
Cable Size Cable Size Constant
#18 1380
#16 2200
#14 3500
#12 7500
#10 11,920
#8 18,960
#6 30,150
Voltage Drop Formula
Total Watts on Cable x Length of Run
= Voltage Drop
Cable Size Constant
X1
H1
X2
277V
12V
H2
X1
H1
X2
277V
24V
H2
X1 X2 X3 X4
277V
INPUT
12V
OUTPUT
H1 H2
X1 X2 X3 X4
277V
INPUT
24V
OUTPUT
H1 H2