1 Publication 2100-IN012B-EN-P—April 2005
Chapter
3
Final Checklist Before Energizing
Introduction
This section provides guidance for the start-up of a newly installed MCC.
It is recommended to make an itemized list including:
• Serial number
• Number of sections
• Number of units and their corresponding voltage
• Current ratings
• Horsepower ratings
• Types of circuits
• Fuse sizes
• Circuit breaker ratings and trip settings
• Heater elements requirements
• Other important data.
The itemized list could be modeled after the MCC layout drawings, supplied
with each MCC. This itemized list should be saved in a file along with other
data for the MCC such as, component manuals, heater element instructions,
MCC manuals and wiring diagrams. Blank sample forms are provided at the
end of this chapter.
Perform a Pre-Energizing
Check Procedure
NOTE: The following procedures should be executed by a “qualified person”
as defined by NEMA Standards Publication / No. ICS 2.3, “Instructions for
the Handling, Installation, Operation and Maintenance of Motor Control
Centers,” Section 1 as follows:
“1.4 Qualified Person
For the purpose of this guide, a qualified person is one who is familiar
with the installation, construction and operation of the equipment and
the hazards involved. In addition, he or she has the following
qualifications:
1.4.1
Is trained and authorized to energize, de-energize, clear, ground
and tag circuits and equipment in accordance with established safety
practices.
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