Appleton Electric PLG-400S Explosionproof Dust-Ignitionproof Square Head Plug 4 Inch

Malleable iron square head plug with zinc electroplate finish, sized for 4 inch threaded rigid metallic conduit and IMC. Features tapered MNPT connection and dust-ignitionproof design.

Malleable iron material with a zinc electroplate finish provides corrosion resistance for this square head plug. Sized at 4 inches, it fits threaded rigid metal conduit and intermediate metal conduit (IMC) systems. The plug includes a tapered male National Pipe Thread (MNPT) connection to ensure tight, rigid joints with maintained ground continuity. Each hub has a smooth, rounded integral bushing to protect conductor insulation during installation. Certified to UL 886 and UL File Number E10444, it meets explosionproof and dust-ignitionproof standards suitable for hazardous locations classified under Class I groups B, C, D; Class II groups E, F, G; and Class III. CSA certifications further confirm compliance with electrical safety standards. Physical dimensions measure approximately 7.8 inches in length and width with a height of 1 inch, weighing 2.84 pounds.

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