GE Industrial Solutions Tranquell Series - Manual (Page 2)

Installation Instructions
Pro-Stock Panelboards with TRANQUELL  Medium Exposure TVSS
2020000903 (10/04) Page 2 of 9
X3 X2
X1
X0
PHASE C
PHASE B
PHASE A
NEUTRAL
Bonding Jumper
Ref. NEC 250-30 (a) (1)
Grounding Electrode
Ref. NEC 250-30 (a) (4)
Primary Dist.
Panel w/Overcurrent
or Service Disconnect
Means
Grounding Electrode
Conductor Ref. NEC
250.62 - 250.64 - 250.66
GROUND
Equipment Grounding
Conductor Ref. NEC
250.32 (B) (1)
N G
Note:
Primary transformer windings
not shown for simplicity
NEC Grounding arrangement for a separately derived system in which the
grounding electrode conductor connection is made at the transformer
X3 X2
X1
X0
PHASE C
PHASE B
PHASE A
NEUTRAL
Bonding Jumper
Ref. NEC 250-30 (a) (1)
Grounding Electrode
Ref. NEC 250-30 (a) (4)
Primary Dist.
Panel w/Overcurrent
or Service Disconnect
Means
Grounding Electrode
Conductor Ref. NEC
250.62 - 250.64 - 250.66
Equipment Grounding
Conductor Ref. NEC
250.32 (B) (1)
N G
NEC Grounding arrangement for a separately derived system in which the
grounding electrode conductor connection is made at the first disconnecting means
Note:
Primary transformer windings
not shown for simplicity