Charging an EV? Don’t Use an Extension Cord

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Many electrical automobile producers present a Stage 1 charging wire once you purchase an EV or a plug-in hybrid (PHEV). These “trickle chargers” don’t require particular gear to make use of and connect with an ordinary 120-volt electrical outlet at dwelling or elsewhere. The cable size can vary from 6 ft to twenty ft or extra relying on automobile make and model.

If that charging cable isn’t lengthy sufficient to plug into a close-by outlet, you might be tempted to make use of an extension wire. 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 widespread 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 wire, we don’t suggest it,” says Kelley Blue Guide Govt Editor Brian Moody. “In truth, Kia and different automakers particularly say to not use an extension wire within the proprietor’s guide. An electrical automobile pulls extra energy than a typical dwelling equipment, and utilizing a typical extension wire when charging can hurt your own home and automobile.”

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

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

Risks of Utilizing an Extension Twine to Cost

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

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

Tips on how to 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 automobile provide gear (EVSE) skilled can guarantee you’ve gotten a devoted circuit to help the facility 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 wire is linked.
  • Disconnect the charger from the automobile when the charging session is completed.
  • Coil the Stage 1 charging cable neatly to guard it from injury.
  • Retailer the wire in your automobile for potential use away from dwelling.

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