This TriparTech provides an overview of knockout requirements in luminaires, which are governed by UL1598, Standard for Safety for Luminaires.
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Sheet Metal Fasteners
This TriparTech on other sheet metal joining options called Fasteners.
Continue readingTriparTech: Clinch Joining
This TriparTech gives an overview, plus advantages and disadvantages of Clinch Joining, which is a process used to join two pieces of sheet metal sheet together without any fasteners.
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