Voltage Drop Calculator

As electricity moves through long lengths of wire, the voltage delivered to LED light fixtures decreases. Our VDC calculates voltage drop distances using different gauge wires, allowing you to prepare for your next LED lighting systems installation.

Power Supply
Search power supplies
  • iQ-ND-50-65
  • iQ-PH
  • iQ-PH+QD1
  • Q-HEX-MINI (AC)
  • Q-HEX-MINI (DC)
  • Q-SET+QZ-DALI-DT6
  • Q-SET+QZ-DALI-DT8
  • Q-SET+QZ-DMX
  • Q-SET+QZ-DW
  • Q-SET+QZ-ND
  • Q-SET+QZ-PH/0-10V
  • Q-SET-1
  • Q-SET-2
  • Q-SET-3
  • Q-SET-eLED+0-10V
  • Q-SET-eLED+ND
  • Q-SET-mLED
  • Q6M
  • Q6M-DC+CAP
  • Q6S
  • QJB
  • QJBL
  • QOM-DC+CAP
  • QOM-eLED+0-10V
  • QOM-eLED+0-10V-PS
  • QOM-eLED+DALI-DT6
  • QOM-eLED+DALI-DT6-PS
  • QOM-eLED+DALI-DT8
  • QOM-eLED+DALI-DT8-PS
  • QOM-eLED+DMX
  • QOM-eLED+DMX-PS
  • QOM-eLED+IA
  • QOM-eLED+TW
  • QOM-eLED+TW-PS
  • QOM-eLED+WD
  • QOM-eLED+WD-PS
  • QOM-eLED-ND
  • QOM-eLED-ND-PS
  • QOM-PH
  • QOM-PH-PS
  • QOMD
  • QOMS
  • QT-CAB-eLED+0-10V-AWN
  • QT-CAB-eLED+DALI-DT6
  • QT-CAB-eLED+DALI-DT6-AWN
  • QT-CAB-eLED+DALI-DT8
  • QT-CAB-eLED+DALI-DT8-AWN
  • QT-CAB-eLED+TW-AWN
  • QT-CAB-eLED+WD-AWN
  • QTLD
  • QTLQ
  • QTLS
  • QTLT
  • QTM-DC+CAP
  • QTM-eLED(E)
  • QTM-eLED(L)
  • QTM-eLED+0-10V
  • QTM-eLED+0-10V-AWN
  • QTM-eLED+DALI-DT6
  • QTM-eLED+DALI-DT6-AWN
  • QTM-eLED+DALI-DT8
  • QTM-eLED+DALI-DT8-AWN
  • QTM-eLED+DMX
  • QTM-eLED+IA
  • QTM-eLED+TW
  • QTM-eLED+TW-AWN
  • QTM-eLED+WD
  • QTM-eLED+WD-AWN
  • QTM-eLED-ND
  • QTMD
  • QTMS
  • QZ-BOWTIE+DIMMER
  • QZ-DALI-DT6
  • QZ-DALI-DT8
  • QZ-DMX
  • QZ-DW
  • QZ-ND
  • QZ-PH/0-10V
  • QZ-STICK-PH/0-10V
  • QZLP
Voltage Drop Distance Wire lengths assuming a 5% voltage drop
Wire lengths assuming a 0% voltage drop