Examlex
The NEC requires that all fluorescent ballasts installed indoors, for both new and replacement applications, must have thermal protection built into the unit by the manufacturer.
Stamping
The process of using a die to shape or cut metal into a particular form through the application of high pressure.
Flat Metal
Metal that has been rolled or hammered into thin, even sheets, used in various manufacturing applications.
Change Its Shape
The process of altering the form or structure of an object.
Specified Sizes
These are the dimensions provided on a technical drawing, indicating the precise measurements that components should be manufactured or cut to.
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