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The Arlington NM900 is a non-metallic snap-in knockout bushing made from durable plastic. This product is designed for trade size 1/2 inch openings, helping to cover unused knockouts safely and efficiently in electrical boxes or enclosures. It features a black color that matches standard electrical equipment.
This snap-in bushing prevents dust and moisture from entering electrical boxes. It is ideal for use in electrical installations requiring safety and durability.
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