Table

347/600V Line-Neutral vs Line-Line Table

347/600V Line-Neutral vs Line-Line Table reference with assumptions and boundary notes.

Reference boundary

Nominal-voltage relationship only. Confirm actual service voltage and equipment ratings for each project.

Reference table

Relate 347 V line-to-neutral and 600 V line-to-line values in a three-phase wye system.

Formula basis uses the three-phase wye voltage relationship VLL = VLN x sqrt(3).
QuantityNominal valueFormulaCommon use
Line to neutral347 V600 V / sqrt(3)Lighting and line-neutral loads where permitted by equipment rating
Line to line600 V347 V x sqrt(3)Three-phase distribution and equipment line voltage
Phase relationshipsqrt(3)1.732Conversion between line-neutral and line-line nominal values
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.