Heyco M3200GAH 1000 Volt ½ inch Strain Relief

Accepts 6 mm PV wires. This is a two hole strain relief for the bottom of your combiner boxes. It's weather tight and will accept the 1000 volt MC Cable from your solar panel strings. 

Consider this a REQUIRED item for your outdoor combiner boxes

Includes the Lock-Nut. For use in outdoor Combiner Boxes and other applications. A lot of other vendors do not include this nut, to appear cheaper, but you'll need them and it will be a real pain when you finally get to install your panels and realize there's no lock-nuts.

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