The present disclosure relates to a conduit coupler including a hub and a lock nut that thread on the hub. In one example, the lock nut includes a ground connection location including a linear wire retention slot. The ground wire can be retained in the linear wire retention slot by a grounding bracket secured at the ground connection location by a grounding screw. The grounding bracket can be captive relative to the grounding screw. The grounding bracket can include integrated spring washer functionality. The ground connection location can be provided on a tower of the lock nut.