[QUOTE=Cynthia;36593]Only if you finally tell me what a hot stab is. :-)[/QUOTE]
Hot stab - think of an air wrench clipping into the end of a compressor hose air line. Pressure is available, stabbing action allows connection of item.
A control panel (note the valve shown is a rotary valve) where a hot stab might be mounted
http://www.oceaneering.com/subsea-products/bop-control-systems/rov-tooling-and-systems/rov-intervention-panel/
There were some photos of the DWH bop control panel earlier on.
And a manufacturer of the components:
http://www.fesltd.co.uk/hot-stab-connectors.htm
Usual disclaimer - no connection with either company.