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15
Connect the Power
The following sections describe how to reconnect the AC or DC power:
• Connect the DC-Input Power Supply Unit (on page 15)
• Connect the AC-Input Power Supply Unit (on page 17)
Connect the DC-Input Power Supply Unit
Figure 10: Connecting the DC Power
Warning
Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure that power is
removed from the DC circuit. To ensure that all power to the power supply unit is OFF, locate the circuit breaker on
the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch
handle of the circuit breaker in the OFF position.
Note that the power to the relevant power supply unit should be off, not necessarily all power to the SCE 2000
platform. One DC-input power supply can be running when the other power supply is being removed or replaced.
Warning
Wiring should be done by a professional in accordance with state and local electrical codes.