Blank Plugs - Haz Loc Thread Gender Male to Male Trade Size 1 in Compatible Conduit Trade Size 1 in Ends - Hazardous Fittings 1 in MNPT Overall Length 5/8 in Overall Height 5/8 in Overall Width 1 5/32 in Weight 0.19 lb Steel Finish Electroplated Hazardous Location Rating Class I Division 1 and 2 Groups A B C D Class I Zones 1 and 2 Groups IIC IIB IIA Class II Division 1 and 2 Groups E F G Class III Division 1 and 2 PLUG For Use With Hub Taped Hole