The rule about what you can use is:

Rule 4--Equipment
  * EVERYTHING - Everything you use in the competition area directly or indirectly for strategy (mission-related activity) must be made entirely of LEGO-manufactured elements in original factory condition.

  So, if you can find an appropriate adapter that is manufactured by LEGO, then it would be allowed.  I don't know if there are any such items.  I did a quick check at BrickLink, and didn't see anything right away.  I have seen some very long wires, which might serve the same purpose.  Be careful, though--sometimes teams have to be creative to keep excess wire from spilling away from the robot and messing things up!
 
Steve Scherr
VA/DC FLL Referee Advisor




On Mon, Oct 14, 2013 at 4:41 PM, Andrew Iodice <[log in to unmask]> wrote:
Our team would like to use a forth motor but the connectors are deep within the bot.  Would it be allowed for my team to use an adapter to connect a wire coming from the NXT 2 controller to allow connection from the top of the bot during the tournament?  I was considering female-to-female connector that has one line coming from the NXT 2 to the top of the bot.  The connector would allow a quick connect/disconnect during the tournament since there are only three ports available with this controller but 4 motors are now allowed during the tournament. 

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