Wiegmann HS4, 4" X 4" NEMA 1 Wiring Trough With Both Hinged & Screw Cover, Please Choose Options

Designed to protect electrical wiring in applications where dirt, dust, oil and water are not serious problems. All sections are open on one side so wires and cable can be laid in along an entire wireway run. A complete selection of sections and fittings is offered in five sizes.
2.50" x 2.50" (64 x 64), 4.00" x 4.00" (102 x 102) 6.00" x 6.00" (152 x 152) bodies and covers are fabricated from 16 gauge steel  8.00" x 8.00" (203 x 203), 10.00" x 10.00" (255 x 255), 12.00" x 12.00" (305 x 305) bodies and covers are fabricated from 14 gauge steel
Available with or without knockouts in all sizes except the 10.00" x 10.00" (255 x 255) and 12.00" x 12.00" (305 x 305) which are available without knockouts only
S Series screw cover design covers held firmly in place with captivated screw fasteners
Straight sections with knockouts are provided on side walls on wireways
ANSI 61 gray polyester powder inside and out over phosphatized surfaces