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ELECTRICAL SAFETY DESIGN

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General Requirements - Marking

Electrical equipment may not be used unless the manufacturer's name, trademark, or other descriptive marking by which the organization responsible for the product may be identified is placed on the equipment. Other markings indicating voltage, current, wattage, or other ratings shall be provided as necessary. Marking is almost always provided on the name-plate of reputable manufacturers’ equipment.

The markings shall be of sufficient durability to withstand the operating environment. Violations usually occur when the nameplate is covered, removed, or obliterated by painting or other abuse. One example of abuse is shown to the left. To understand why marking is important, click on the term below.

Additional Information Importance of Marking

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