PB 1.1-2007
Page 3
Section 3
GENERAL
WARNING—HAZARDOUS VOLTAGES IN ELECTRICAL EQUIPMENT CAN CAUSE SEVERE
PERSONAL INJURY OR DEATH. UNLESS OTHERWISE SPECIFIED, INSPECTION AND
MAINTENANCE SHOULD ONLY BE PERFORMED ON PANELBOARDS AND EQUIPMENT TO WHICH
POWER HAS BEEN TURNED OFF, DISCONNECTED AND ELECTRICALLY ISOLATED SO THAT NO
ACCIDENTAL CONTACT CAN BE MADE WITH ENERGIZED PARTS. FOLLOW ALL
MANUFACTURER'S WARNINGS AND INSTRUCTIONS.
Safety-related work practices, as described in NFPA 70E, should be followed at all times.
CAUTION—Hydrocarbon spray propellants and hydrocarbon based sprays or compounds will cause
degradation of certain plastics. Contact the panelboard manufacturer before using these products to clean,
dry, or lubricate components during installation or maintenance.
3.1 SUCCESSFUL OPERATION OF PANELBOARDS
The successful operation of panelboards is dependent upon proper installation, operation, and maintenance.
Neglecting fundamental installation and maintenance requirements may lead to personal injury, death, or
damage to electrical equipment or other property.
3.2 QUALIFIED PERSONNEL
Installation, operation, and maintenance of panelboards should be conducted only by qualified personnel.
3.3 DEFINITION OF QUALIFIED PERSONNEL
For purposes of these guidelines, a qualified person is one who is familiar with the installation, construction,
and operation of the equipment and the hazards involved. In addition, the person is:
3.3.1 Requirements
Knowledgeable of the requirements of the National Electrical Code and of all other applicable codes, laws,
and standards.
3.3.2 Established Safety Practices
Trained and authorized to test, energize, clear, ground, tag, and lockout circuits and equipment in
accordance with established safety practices.
3.3.3 Protective Equipment
Trained in the proper care and use of protective equipment such as rubber gloves, hard hat, safety glasses
or face shields, and flash resistant clothing in accordance with established safety practices.
3.3.4 First Aid
Trained in rendering first aid.
3.4 SUITABLE RATINGS
Verify that all equipment being installed has ratings suitable for the installation.
© Copyright 2007 by the National Electrical Manufacturers Association.
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