Type LJB Oiltight Lay-in Wireway is fully gasketed and used to protect runs of electrical wiring from oil, water, coolants, dirt or dust as well as physical damage. This wireway is manufactured to exceed oiltight and NFPA standards for Industrial Control Equipment. Lengths and fittings are made of 14 gauge steel with 10 gauge end flanges. Straight lengths and fittings have hinged covers with oil resistant gasket all around and are held closed with pull down latches. All lengths and fittings are without knockouts. Type LJB Lay-in Wireway is finished with ANSI-49 gray polyester powder finish over a corrosion resistant phosphate preparation. All Type LJB oiltight wireway is UL listed as steel enclosed wireway and auxiliary gutter. Conforms to NEMA Type 12.