AC Power and Grounding
2-7
Installing the Control Unit
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All AC outlets must connect to the same load center and the ground wire
must connect to the single-point ground bar on the first AC outlet (see
Figure 2-1).
■
One outlet must have an attached ground bar connected by a #6 AWG
copper wire to an approved ground (see “Approved Grounds” later in this
chapter, for a description of approved grounds). This ground bar is the
system’s single-point ground (see Figure 2-1).
■
To prevent someone from accidentally shutting off the power, do not
connect the control unit to a switch-controlled outlet.
■
The AC outlet should be within 5 feet (152 cm) of the control unit.
■
Each carrier requires one AC outlet receptacle.
■
Auxiliary equipment requires additional AC outlets.
■
If a printer or PC is installed on the system, it must be plugged into the
same AC branch as the power supply of the basic carrier.
■
If the printer or PC is 50 feet (15 m) or more from the control unit, or is
plugged into a different AC circuit, Asynchronous Data Units (ADUs) must
be installed as well. Chapter 5, “Installing the PC, CAT, or Printer” of the
Installation manual includes complete installation instructions.
■
The AC power requirements indicated in “AC Outlet Tests”, must be met.
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