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Hello ppl,

This is a general question.
Considering an open cockpit race-car which will be used in wet conditions.
How can you insulate the wiring connection of the batteries (make them waterproof)?
Even though the batteries will be packed in the sidepods of the race car and the electric motor wil be placed in a comparatment cover what else must be provided to make sure that the connections will be waterproof and comply with IP67?

Thank you in advance,


Contributors: enzo
Created by enzo, 12-14-2012 at 08:26 PM
Last edited by enzo, 12-14-2012 at 08:26 PM
2 Comments , 5037 Views
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Old 12-14-2012, 08:57 PM
Caps18 Caps18 is offline
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Default Re: waterproof electrical connections

I'm not sure how good it will be for a race car, but liquid tight conduit works very well. It isn't 'light' though.

Nylon cord grips might be the better option for you.
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Old 02-19-2013, 02:20 PM
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Wolfswagen Wolfswagen is offline
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Default Re: waterproof electrical connections

I'm not sure if you've still looking at options, but one idea is to follow the instructions Jack R. has on EVTV.ME for encasing A123 batteries in plastic using a mold (I can't recall the video, but it shouldn't be difficult to find). I know the current issues with considering A123, but it's possible that the method Jack is using to encase multiple pouch cells could be also used to waterproof the areas you just need waterproofed.
There are other possibilities for waterproofing, but most would cause issues with venting (if necessary) or would be greatly affected by the heat. If A123 ever gets off the ground again, the pouch cells combined with Jack's method could be the best option for waterproofing. The cables could even be attached to the battery before encasing them.

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