So I ducked down to bunnings and picked up some plastic guttering, end caps and silver flashing/roofing insulation tape
![](http://i1254.photobucket.com/albums/hh614/Alex_6169/P1030655.jpg)
![](http://i1254.photobucket.com/albums/hh614/Alex_6169/P1030658.jpg)
Simply line the inside with tape, chuck the end on and viola:
![](http://i1254.photobucket.com/albums/hh614/Alex_6169/P1030659.jpg)
I also put a strip of pine along the back of the unit to give ti support, once the weight of components was in it, there was some twisting movement.
The next part involved a qualified electrician, lucky for me I had one handy. The final result:
![](http://i1254.photobucket.com/albums/hh614/Alex_6169/IMAG0100.jpg)