4
Ground
W
H
IT
E
B
L
AC
K
Ø
B CT
Ø
C CT
Ø
A CT
Ø
B
Ø
C
N
Ø
A
Common
Input or Positive
Monitoring Equip-
ment or Display
P1
P2
P3
COM
O
u
tp
u
t
Status
Status
Status
W
ATT
N
ODE
®
P
ULSE
WNB
-
WNB
-
-
P
-
P
Neutral
Phase A
Phase B
Phase C
LO
A
D
WHITE
BLACK
W
H
IT
E
B
L
AC
K
S
O
U
RC
E
Source
Faces
Current
Transformers
3Y
-
xxx
3D
-
xxx
Figure 1: WattNode Wiring Diagram
2.2 Electrical Service Types
Electrical
Service (or Load) Types
Line-to-
Neutral
(Vac)
Line-to-
Line
(Vac)
Meter
Service
Type
Meter
Powered
by
1 Phase 2 Wire 120V with neutral
96 – 138
n.a.
3Y-208
N
and
Ø
A
1 Phase 2 Wire 230V with neutral (non-N.A.)
184 – 264
n.a.
3Y-400
N
and
Ø
A
1 Phase 2 Wire 277V with neutral
222 – 318
n.a.
3Y-480
N
and
Ø
A
1 Phase 2 Wire 208V no neutral
n.a.
166 – 276
3D-240
Ø
A
and
Ø
B
1 Phase 2 Wire 240V no neutral
n.a.
166 – 276
3D-240
Ø
A
and
Ø
B
1 Phase 3 Wire 120V/240V with neutral
96 – 138
166 – 276
3Y-208
N
and
Ø
A
3D-240
Ø
A
and
Ø
B
3 Phase 3 Wire Delta 208V no neutral
n.a.
166 – 276
3D-240
Ø
A
and
Ø
B
3 Phase 3 Wire Delta 400V no neutral (non-
N.A.)
n.a.
320 – 460
3D-400
Ø
A
and
Ø
B
3 Phase 3 Wire Delta 480V no neutral
n.a.
384 – 552
3D-480
Ø
A
and
Ø
B
3 Phase 4 Wire Wye 120V/208V with neutral
96 – 138
166 – 276
3Y-208
N
and
Ø
A
3D-240
Ø
A
and
Ø
B
3 Phase 4 Wire Delta 120/208/240V with
neutral
96 – 138
166 – 276
3D-240
Ø
A
and
Ø
B
3 Phase 4 Wire Wye 230V/400V with neutral
(non-N.A.)
184 – 264
320 – 460
3Y-400
N
and
Ø
A
3D-400
Ø
A
and
Ø
B
3 Phase 4 Wire Wye 277V/480V with neutral
222 – 318
384 – 552
3Y-480
N
and
Ø
A
3D-480
Ø
A
and
Ø
B
3 Phase 4 Wire Delta 240/415/480V with
neutral
222 – 318
384 – 552
3D-480
Ø
A
and
Ø
B
3 Phase 4 Wire Wye 347V/600V with neutral
278 – 399
480 – 690
3Y-600
N
and
Ø
A
Table 1: WattNode Models