Periodic maintenance 65
Electrical
Maintenance of the electrical components might require the following:
•
Expose personnel to high voltage.
•
Allow personnel to come into direct contact with high voltage.
•
Power down the POD during the execution of the maintenance item.
You must explicitly state and acknowledge if a POD power down will be possible. If a power down is not
possible, LLS inspections will be conducted and further action will be taken at your discretion.
Component to be inspected
Task
Frequency
Capable Party
Electrical connections
Use LLS to check for major
electrical connections (torque
marks, sizzle, and acrid odor):
•
Main/House Power Feeds
•
Busway End Feeds, Drop
Boxes (including cables and
cord caps)
•
Electrical panels, breakers,
and disconnects
Quarterly
Licensed electrician
—
POD SHUT DOWN REQUIRED
Conduct torque checks on the
following:
•
Main, house, and critical IT
power feeds
•
Electrical panels, breakers,
and disconnects
•
Busway end feeds, busway
sections, and drop box locking
mechanism (bolt)
Annually
Licensed electrician
Grounding
Grounding system residence test
using the DUCTOR method
Every 2 years
Licensed electrician
—
POD SHUT DOWN REQUIRED
Ground and grounding
connection/lug located internal to
each electrical panel torque test.
Clean and re-tighten as necessary.
Every 2 years
Licensed electrician
—
Service entrance grounding
ground-rod/ground well and
grounding connection/lug located
external to the POD torque test.
Clean and re-tighten as necessary.
Every 2 years
Licensed electrician
—
POD SHUT DOWN REQUIRED
Service entrance ground
connection/lug located on the
switchboard (or landing location)
torque test. Clean and re-tighten as
necessary.
Every 2 years
Licensed electrician
—
Grounding system bonding
jumpers that connect racks to the
POD structure and rack to rack
torque test. Clean and re-tighten as
necessary.
Every 2 years
Licensed electrician