Originally Posted by BrianG

Yeah, someone posted that a few weeks back. Personally, if Deans are hotter than the wires around it, then they are inadequate. Heat would mean power loss on the connector, which means voltage drop, which means contact resistance.

No one has mentioned the age of Deans though. After hooking them up a number of times (especially on anything over 3s), the repeated spark can pit the contacts and introduce contact resistance. Doesn't mean that Deans are bad per se, just worn.