LB, LR and LL conduit fittings are different types with different outlets directions of explosion proof conduit fittings used in hazardous location. SUREALL SCB series explosion proof conduit fittings guide the way for electrical wiring passing from point A to point B without traveling a long distance through rigid conduit system, often, widely used for 90°bending for mounting kits or cable splices. Explosion proof LB condulet fittings are considered the most functional in most cases.