Emerson user manual Typical Liebert FPC with transformer grounding arrangement

Installation Instructions

Figure 12 Typical grounding arrangements

Service	Input
Entrance	J-box
	(if used)

N

G G

Liebert FPC (with transformer)

N

G

Output

Service entrance	Local grounding	Signal reference grid
grounding electrode		(if used)
	electrode
system
	conductor per
	NEC 250-28

Typical Liebert FPC

with transformer grounding arrangement

Service	Input	Liebert FPC
Entrance	J-box	(without transformer)
	(if used)

N N

G G

Service entrance

grounding electrode

systemTypical Liebert FPC without transformer grounding

N Output

G

Signal reference grid (if used)

17