9R33U1W

For use where electrical connections need protection from water and/or dust entrance to the contacts or the wiring compartment.

19960426

ELECTRICAL APPARATUS FOR SWITCHING OR PROTECTING ELECTRICAL CIRCUITS, OR FOR MAKING CONNECTION TO/ IN ELECTRICAL CIRCUIT

Not just "watertight", Waterproof for washdown duty (DurORing Sealing) that eliminates the need for costly "weather boots" or "adapters."