Charging an EV? Do not Use an Extension Twine


Extension cordsMany electrical car producers present a Stage 1 charging twine once you purchase an EV or a plug-in hybrid (PHEV). These “trickle chargers” don’t require particular tools to make use of and hook up with a normal 120-volt electrical outlet at dwelling or elsewhere. The cable size can vary from 6 toes to twenty toes or extra relying on car make and mannequin.

If that charging cable isn’t lengthy sufficient to plug into a close-by outlet, it’s possible you’ll be tempted to make use of an extension twine. Right here’s why you shouldn’t.

Why You Shouldn’t Cost an EV With an Extension Twine

Charging an EV requires extra electrical energy than the quantity frequent dwelling home equipment want. Due to this fact, EV chargers comprise thicker wires that may deal with extra energy than smaller gauge wires in typical extension cords.

“Whereas some electrical automobile house owners have reported utilizing a typical extension twine, we don’t advocate it,” says Kelley Blue E-book Government Editor Brian Moody. “In actual fact, Kia and different automakers particularly say to not use an extension twine within the proprietor’s guide. An electrical automobile pulls extra energy than a typical dwelling equipment, and utilizing a typical extension twine when charging can hurt your private home and automobile.”

Proprietor manuals are specific with their warnings, reminiscent of this one from Chevy to Bolt house owners: “Don’t use extension cords, multi-outlet energy strips, splitters, grounding adaptors, surge protectors, or comparable gadgets.”

A Stage 1 cable presents a slower “trickle” cost and provides a number of miles of vary per hour, which is appropriate for a lot of PHEV house owners. Pairing an extension twine with the charger restricts the voltage switch. This setup will take even longer to spice up your battery, along with creating security issues.

Risks of Utilizing an Extension Twine to Cost

Since charging an electrical car attracts a considerable amount of energy, an extension twine could overheat in case you join it to the charging cable. The possibility of fireplace will increase as a result of the extension twine makes an attempt to transmit extra vitality than it was made to hold. Overheating cords can soften plugs and receptacles, and the fireplace hazard is larger when left unattended in a single day or whereas you’re not dwelling.

One other security threat is electrical shock. An EV charging cable is extra risky when linked to an extension twine. Rerouting the ability provide out of your electrical outlet by an extension compromises the soundness of this energy switch. Inserting and eradicating the plug then turns into a riskier job.

How you can Correctly Join a Stage 1 Charger

Seek the advice of a licensed electrician in case you’ll be connecting an EV or PHEV to a Stage 1 charging cable for long-term, at-home charging. An electrical car provide tools (EVSE) skilled can guarantee you might have a devoted circuit to assist the ability load.

  • Flip off your EV earlier than each charging session.
  • Insert the charging cable right into a 120-volt AC receptacle.
  • Open the EV’s charging port door and join the charger.
  • Charging ought to start when the twine is linked.
  • Disconnect the charger from the car when the charging session is completed.
  • Coil the Stage 1 charging cable neatly to defend it from harm.
  • Retailer the twine in your car for potential use away from dwelling.

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