Tesla Cybertruck lead engineer Wes Morrill has shared a warning about using extension cords for Supercharger stalls. As per the Tesla lead engineer, utilizing North American Charging Commonplace (NACS) extension cords might current issues of safety.
Morrill’s remark got here as a response to an electrical car fanatic who discussing an aftermarket NACS DC extension wire. By utilizing a NACS extension wire, non-Tesla automobiles like Rivian’s R1T and R1S might keep away from utilizing up two charging areas once they use the Supercharger Community.
As per the Cybertruck lead engineer, nevertheless, utilizing an extension wire on a Supercharger or every other DC charging station shouldn’t be preferable in any respect. Morrill famous that he has seen a number of cases of cable overheating with using such gadgets.
Would suggest AGAINST utilizing an extension wire on a supercharger (or any DC charging station with a liquid cooled cable). Have seen a number of cases of the cable overheated and shorting DC +/-
There is a temperature measurement within the deal with and the supercharger derates primarily based…
— Wes (@wmorrill3) September 18, 2024
“Would suggest AGAINST utilizing an extension wire on a supercharger (or any DC charging station with a liquid cooled cable). Have seen a number of cases of the cable overheated and shorting DC +/-.
“There’s a temperature measurement within the deal with and the supercharger derates primarily based on that temperature. With the extension cable that security goes away. On high of including an extra junction which generates warmth making issues worse,” Morrill wrote in his publish on X.
Whereas using extension cords for Tesla Superchargers could appear handy, drivers ought to remember the fact that every side of a Supercharger is constructed by design. This contains the cable size of current Superchargers, which is probably going optimized for reliability and security. Successfully modifying the size of a Supercharger cable by way of an extension wire could then current some security dangers.
Tesla is thought for prioritizing security in each its automobiles and its charging infrastructure. This is without doubt one of the the reason why the corporate has issued warnings towards some standard charging practices previously, comparable to using a moist towel on a NACS deal with to push extra energy right into a car. As per Tesla again in July, utilizing a moist material on a Supercharger cable creates a threat of overheating.
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