N L1
X2
X1
White
Black
A
B
C
N
X1
X2
X1
X2
X1
X2
A
B
C
L1 L2
X2
X1
A
B
C
N
A
B
C
White
Black
X1
X2
X1
X2
X1
X2
L1 L2
X2
X1
X2
X1
A
B
C
N
A
B
C
N
White
Black
White
Black
X1
X2
X1
X2
X1
X2
L1 L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
White
Black
White
Black
White
Black
X1
X2
X1
X2
X1
X2
L1N L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
White
Black
White
Black
White
Black
X1
X2
X1
X2
X1
X2
White
Black
White
Black
White
Black
L1N L2 L3
X2
X1
A
B
C
N
A
B
C
X2
X1
X2
X1
X1
X2
X1
X2
X1
X2
#1: 1-Phase, Line-to-Neutral, 2-Wire System, 1 CT
Use System Type 10 (1L+1n)
#2: 1-Phase, Line-to-Line, 2-Wire System, 1 CT
Use System Type 11 (2L)
#3: 1-Phase, Direct Voltage Connection, 2 CT
Use System Type 12 (2L+1n)
#5: 3-Phase, 4-Wire, Direct Voltage Input Connection, 3 CT
Use System Type 40 (3L+1n)
#6: 3-Phase, 4-Wire Wye Connection, 3 CT, 3 PT
Use System Type 40 (3L+1n)
#4: 3-Phase, 3-Wire System, 3 CT, No PT
Use System Type 31 (3L)