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FireLite SLC Wiring Manual — P/N 51309:R3  7/29/2019
Surge Suppression Installation
B.2.3  Wiring Diagram for ES-50X and ES-200X
DTK-2LVLP-F Connections
PLP-42N Connections
SLCP-30 Connections
SLC Loop
SLC Terminal Block
S
L
C
-
lv
lp
5
.
w
m
f
Optional 4-wire Return Loop
Class A
2LVLP-F
2LVLP-F
IN    OUT
IN     OUT
B+
A+
B-
A-
Ground stud on inside of backbox
Refer to Figure 2.4 in the FACP manual 
–
+
INPUT
OUTPUT
L1 L2 L3 L4
L1 L2 L3 L4
GRND
INPUT
OUTPUT
L1 L2 L3 L4
L1 L2 L3 L4
GRND
S
L
C
-
p
lp
n
5
.
w
m
f
SLC Loop
SLC Terminal Block
Optional 4-wire Return Loop
Class A
PLP-42N
PLP-42N
B+
A+
B-
A-
Ground stud on inside of backbox
Refer to Figure 2.4 in the FACP manual 
NOTE: Use 12AWG (3.25mm2) to 18AWG (0.75mm2) wire with crimp-on connectors to connect the unit’s ground terminal to equipment 
ground. Wire length must be minimized to provide best protection.
S
L
C
-
s
lc
p
5
.
w
m
f
SLC Terminal Block
SLC Loop
Optional 4-wire Return Loop
Class A
2LCP-30
IN     OUT
IN   OUT
2LCP-30
B+
A+
B-
A-
Ground stud on inside of backbox
Refer to Figure 2.4 in the FACP manual