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What is the knockouts holes?

- Nov 13, 2017 -

In general, plastic or metal stamping on the hole if non fall fall, as long as with a screwdriver or other tool to tap the hole to be off, through hole is presented; this structure is generally used in the users to install and use products: such as wire punched through wiring connection (some lamps); water or at the bottom of the product, according to the installation environment selected by the outlet position.