Ashish has done a wonderful compilation for business travellers.Mains electrical plugs and sockets is complex subject and often taken for granted.One need to look in to this aspect before one plan to travel to respective countries. It means like applying for visa of a particular country one need to have specific documents.In the similar manner electric connection suitable for the equipment should come in the check list. Normally one travels with laptop,digital camera,mobile phone and extended range of personal gadget for example shaver,hair dryers and so on. Even though there are multi-plug options available one need to be careful because good engineering safety practice discouage uses of multi-plig for the simple reason that it can confuse the users.Any electrical gadget should get connected with only one possible manner.It is also called as poka-yoka a japanese terminlogy for doing a thing in only one way. As a user it becomes difficult to judge such intricacies hence little effort becomes a necessity. The best way to follow is use respective countries mains power with the equipment.There are solutions available for such applications.This need an extra mile walk but ensures complete reliability and safety with electricity.The prime concern while using electricity is safety.It is not necessary that if one has not experienced any untoward incidence till date so one cannot experience in future.Its better to be safe rather than courageous while working with electricity.