Strain Relief Cable Fittings 

Strain Relief Cable Fittings with IP68 rating that are used
for connecting non metallic cables to box or enclosure.
Related Products:
Over Braided Flexible Steel Conduits for heavy industry

LT connector for flexible conduits
US Style Liquidtight Fittings

Liquid-tight connectorsLiquid-tight connectors 
New Liquid-tight Connector
Superior water tightness;
Fixed or swivel type.

combination (set-screw)
Combination coupling
(EMT + Flexible metal conduit)