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Strain reliefs

Waterproof strain reliefs

Use the 1/2" NPT threaded connectors to provide a waterproof entrance or exit for wiring on PV module junction boxes and outdoor combiner boxes. Use the 3/4" NPT connector for cables up to 5/8" dia. Made of Nylon with Buna-N seals. Resistant to salt water, weak acids, weak alkalis, alcohol, ether, esters, ketones, and mineral, animal and vegetable oils. Non-corrosive, suitable for direct burial installations. The oval-hole 1/2" strain relief works for 2-conductor TC cable used for module interconnects, PV outputs or UF cable. The 2-hole 1/2" connector is designed for use with two #10 or #12 type USE conductors. UL Listed. Suitable for use in NEMA 4, 6 and 12 applications.

Strain relief description Fits cable size Item code

1/2" thread w/ 1 round hole

USE #12 & #10


1/2" thread w/ 2 round holes

USE #12 & #10


1/2" thread w/ 1 round hole

0.25" to 0.5" diameter wire


1/2" thread w/ 1 oval hole

14/2,12/2,10/2 TC


3/4" thread w/ 1 round hole

0.4" to 0.7" diameter cable


Steel lock nut 1/2"


Steel lock nut 3/4"


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