This part of IEC 60950 applies to information technology equipment intended to supply and receive operating power via a TELECOMMUNICATION NETWORK@ where the voltage exceeds the limits for TNV CIRCUITS.?
UL 2747 BULLETIN-2012 history
2012UL 2747 BULLETIN-2012 UL Standard for Safety Outline of Investigation for Electric Vehicle Power Supplies
2012UL 2747-2012 OUTLINE OF INVESTIGATION FOR ELECTRIC VEHICLE POWER SUPPLIES (Issue 1)