EDN155 Figure 9
![](https://images.echocommunity.org/783207a5-dfd0-4d70-90bc-85fcd8babcac/figure%209.jpg?w=400)
Figure 9. A commonly available air pump accessory in combination with a tire cap (A) to make a solid pass through for wires going outside a plastic container (B). Silicon glue or putty can be added to make it leak proof. Drill a hole through the tire cap and cut the tip of the air pump accessory to match the diameter of the wire. Source: Tim Motis