8.13.1 Permanent Plates
Data plates and capacity plates shall
(a) be made of metal or other durable materials designed to last the life of the equipment. Stick-on foil or paper labels shall not be permitted.
(b) be securely attached to prevent removal when subjected to a force of 65 N (15 lb). In addition, adhesive-attached plates shall conform to the requirements of UL 969 or CAN/CSA C22.2, whichever is applicable.
(a) be engraved, etched, or cast such that the letters and figures shall remain permanently and readily legible
(b) conform to either of the following:
(1) the characters shall be raised or depressed from the plate surface face so as to remain legible even if painted over.
(2) be provided with a transparent covering that will protect the Code-required data. This covering shall prevent contaminants (such as paint, adhesives, oil, and grease) from permanently adhering to the data plate parent surface. The covering shall be durable enough to withstand the process of contaminant removal.