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Old 06-17-2018, 02:23 PM
lr172 lr172 is offline
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 3,551

Originally Posted by az_gila View Post
Try buying Dsub pins for 18g. They seem to only come from Garmin and in very low quantities and high $$$.

Stick to 20g max for Dsub connectors.
agreed. Don't forget that the spec for Dsub connectors is only 7 amps. An 18 ga wire will carry far more amps than the Dsub can handle and hence the limited availability of those pins.

RV-6A / IO-320, Flying as of 8/2015
RV-10 in progress

Last edited by lr172 : 06-17-2018 at 02:26 PM.
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Old 06-17-2018, 03:19 PM
rv7charlie rv7charlie is offline
Join Date: May 2006
Location: Pocahontas MS
Posts: 3,439

If you need 18 ga to avoid voltage drop on a long wire run, there's nothing wrong with crimping a few inches of 20 ga in a pin, and splicing on 18 ga just outside the connector shell. Note that I'm not saying to overload the pin with >7A current. Just that this is a sensible method to avoid excessive voltage drop on long runs of wire.
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