Modified dry box to replace slotted exit hole with a threaded connection for a PC4-M10 quick fitting connector.
Connector designed for can be found here:
https://www.amazon.com/gp/product/B01KHN1HWY/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
Same as original model.
The author remixed this model.