AT&T 3.0 manual AC Grounding Requirements

AC Power and Grounding

From AC
Load Center
(2 separately	Ground Wire
fused 15A

circuits)		#14 AWG
		4" Box (RACO 230
		or equivalent)
HUBBELL
Receptacles
(5262	15A

or equivalent)

S i n g l e - P o i n t

Ground

Ground Bar Mounted on a 4“ Box (Square

“D” PK9GTA or approved equivalent)

Approved Building Ground

4“ Cover (RACO 807 or equivalent)

Ground Wire

#6 AWG Copper

#12 or #14 AWG Copper Wire to Each Power Supply Grounding Screw

Figure 2-1. AC Grounding Requirements

CAUTION:

The AC outlet for the control unit cannot be switch-controlled, Hugging the control unit into such an outlet invites accidental disconnection of the system. The AC outlet must be properly wired as described in “AC Outlet Tests. ”

Installing the Control Unit 2-7