Battery Power 
product Power Media Battery Power Wooden Camera /product/wooden-camera-3-pin-m-xlr-4-pin-m-xlr-5-meter-cable/ $22 Power Media
Power Media · Battery Power
Wooden Camera 3 Pin (M) XLR > 4 Pin (M) XLR 5 Meter Cable
You might also need
Battery Power 
10/15amp IP66 to Plug Adaptor
Battery Power 
10A 4 way IP66 RCD Power Board w/ 1.8m braided lead
Battery Power 
10amp / 10m Extension Lead 1.5mm Rubber Flex Cable (Green Tag)
Battery Power 
10amp / 10m Extension Lead Piggyback (Blue Tag)
Battery Power 