Baldor MN1851 manual Recommended System Grounding 1 phase for UL

Figure 3-3 Recommended System Grounding (1 phase) for UL

L

AC Main

Supply N

Control

L N U V W

Note:

Wiring shown for clarity of grounding method only. Not representative of actual terminal block location.

SafetyEarth Ground

Driven Earth

Ground Rod

(Plant Ground)

Route all 3 wires L, N, and Earth (Ground) together in conduit or cable.

Note: Use shielded cable for control signal wires. Route control signal wires in conduit. These wires must be kept separate from power and motor wires.

		Ground per NEC and Local codes.
	Figure 3-4 Recommended System Grounding (1 phase) for CE
AC Main	L1		Control	Note:
Supply
				Wiring shown for clarity of
Four Wire	L2	L N	U V W	grounding method only.
“Wye”				Not representative of actual
	L3			terminal block location.
Safety	Neutral
Ground

PE	Route all power wires	Motor
	together in conduit or
		GND
	cable.

All shields

Enclosure Backplane (see Section 8)

Note: Use shielded cable for control signal wires. Route control signal wires in conduit. These wires must be kept separate from power and motor wires.

MN1851 Receiving & Installation 3-3