Section 6—Energizing the Switchboard Power-Style™ QED-2 Switchboards
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ENGLISH
Section 6—Energizing the Switchboard
1. Make sure there is not a load on the switchboard when it is energized. Turn off
all downstream loads.
2. Energize the switchboard in the following sequence:
a. Turn on all control power disconnects before energizing the switchboard.
Refer to the record drawings supplied with equipment to see if control
power disconnects are supplied.
b. Close any open doors and/or covers.
c. Close all main devices.
d. Close each branch circuit breaker or branch fusible switch.
e. Proceed to each panelboard and other downstream load.
3. After all overcurrent protective devices are closed, turn on all loads (for
example, lighting circuits, contactors, heaters, and motors).
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Correct short-circuit conditions detected during the checkout procedures
described in “Section 5—Pre-energizing Checkout Procedure” beginning on
page 36.
• Qualified electrical personnel must be present when energizing this equipment
for the first time.
• Follow the instructions in this section to energize the switchboard properly.
Failure to follow these instructions will result in death or serious injury.
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