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Waterproof cable penetration
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A set of components to assemble a waterproof cable penetration (e.g. for a cable which enters a waterproof tub).
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution — Share Alike
Note: the STLs included here are for a nominal 4mm cable diameter. Some experimentation will be needed to ensure watertightness for different cable stiffness/size.
To assemble the penetration, you will need to print:
- 1x
cable-gland-hex-nut(100% infill PETG) - 1x
cable-gland-countersunk(100% infill PETG) - 2x
gasket(100% infill TPU) - 2x
grommet(100% infill TPU)
Additional hardware (316 stainless steel recommended for saltwater environments):
- 4x M3 hex nut
- 4x M3 x 12mm countersunk Phillips head
Assembly steps:
- If necessary, cut the split on the grommet with a utility knife.
- Cut a hole in the container to enter, large enough to thread the cable through, but smaller than the grommet diameter.
- Position the
cable-gland-countersunkover the hole and use it as a guide to drill holes for each bolt. - Position the gasket over the cable.
- Position the split grommet over the cable.
- Slide either of the
cable-glandcomponents over the cable, and push the grommet into it using pliers. - Position this assembly on one side of the penetration (i.e. gasket against the surface, then grommet/gland assembly on the outside).
- Repeat on the inside of the penetration (some petroleum jelly might help in sliding the grommet into position over the cable).
- Bolt down and tighten.