Electrical cables complying with standard IEC 60092-359
may be considered to remain operational in a space affected by a flooding
casualty, provided they have no connections, no joints, no equipment
connected to them, etc., within such space or such connections, joints
and devices have a degree of protection IPX8 in accordance with standard
IEC 60529 (head of water expected at their location for a period not
inferior to that estimated for the safe return to port).