Tesla Cybertruck lead engineer Wes Morrill has shared a warning about the usage of extension cords for Supercharger stalls. As per the Tesla lead engineer, utilizing North American Charging Commonplace (NACS) extension cords may current questions of safety.
Morrill’s remark got here as a response to an electrical car fanatic who discussing an aftermarket NACS DC extension twine. Through the use of a NACS extension twine, non-Tesla autos like Rivian’s R1T and R1S may keep away from utilizing up two charging areas after they use the Supercharger Community.
As per the Cybertruck lead engineer, nonetheless, utilizing an extension twine on a Supercharger or another DC charging station will not be preferable in any respect. Morrill famous that he has seen a number of cases of cable overheating with the usage of such objects.
Would suggest AGAINST utilizing an extension twine 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 based mostly…
— Wes (@wmorrill3) September 18, 2024
“Would suggest AGAINST utilizing an extension twine 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 based mostly on that temperature. With the extension cable that security goes away. On high of including a further junction which generates warmth making issues worse,” Morrill wrote in his put up on X.
Whereas the usage of extension cords for Tesla Superchargers could seem handy, drivers ought to remember 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 an extension twine might then current some security dangers.
Tesla is thought for prioritizing security in each its autos and its charging infrastructure. This is among the explanation why the corporate has issued warnings towards some in style charging practices previously, akin to the usage of 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 fabric on a Supercharger cable creates a threat of overheating.
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