4-pole installation couplers

4-pole couplers without strain-relief, plug	4-pole couplers without strain-relief, socket

4-pole screwless couplers without strain-relief, plug	4-pole screwless couplers without strain-relief, socket

4-pole panel mounting adapter	4-pole couplers with strain-relief, plug

4-pole couplers with strain-relief, socket	4-pole narrow couplers without strain-relief

4-pole narrow couplers with strain-relief	4-pole narrow panel mounting adapter

Separate locking device	Mounting pad