Your devices need to support WIDE VOLTAGE [range 110V to 220V] in case of connect to Nema 6-15P or Nema 6-20P 15A/20A 250V ac power devices. [4 in 1] AC Power adapter. Nema 5-15P 15-AMP male 125V to Nema 5-15R/5-20R/6-15R/6-20R ac adapter. 3 feet 3-foot ac adapter cable cord for 15 amp 20 amp adapter for ev charging