Attributes . Smooth, rounded integral bushing in each hub protects conductor insulation; Accurately tapped, tapered threads for tight, rigid joints and ground continuity; Covers have captive stainless steel screws to speed installation, prevent freezing of screws; These are like C moguls (1 IN through 4 IN), except with an additional middle side hub-distance between the centerline of each C hub conduit stop exceeds eight times the trade diameter of the conduit per NEC 314.28(A)(1); Larger body size facilitates pulling of large and heavy conductors; Specially designed raised cast covers provide additional wiring area; Wiring capacity: 31 CU-IN . Names