String Harness

String Harness Specifications Rated for 1500V PV Systems

3 String
String Harness Connectors

Voltage creates fully customized string harness systems from our customers’ drawings. These configurations are capable of connecting all possible variations of module and racking systems.

Voltage engineers closely collaborate with our customers’ engineers to ensure the proper wire gauge is utilized to account for all current and voltage drop calculations.


  • 6AWG 8AWG, 10AWG or 12AWG 


  • T/X/Y Kits available


  • Staubli MC4 / EVO2
  • Amphenol H4 / UTX
  • Trina TS4
  • LONGi PV-LR5
  • Jinko PV-JK03M
  • SUNTER – PV-ZH202B
  • Canadian Solar T4-PC 
  • QC 4.10-35
  • Other module matching connectors as specified


  • Fuse options: 2A–60A 
  • Fuse brands: aDLER, Littelfuse, Merson, DF 
  • 2kV PV copper wire: #12AWG, #10AWG #8AWG OR #6AWG
  • Colored wire JACKET available 
  • IP68 Rated 
Jumpers & Whips
String Harness In-line Fuses


  • Various connectors brands available 
  • Colored wire insulation available 
  • Labeled per customer nomenclature 
  • Pre-cut and assembled homerun source wires and bundled per combiner box unit 
  • Shipped in boxes or on spools 
  • 100% conductivity tested 


  • Reduces on-site assembly 
  • Reduces material consumption 
  • Increases installation efficiency 
  • Reduces installation cost 
  • Module-matching connectors 


  • Conforms to UL Std. 9703
  • Certified to CAN/CSA Std. C22.2 #182.5 Photovoltaic Connectors
  • Certified to CAN/CSA Std. C22.2 #271 Photovoltaic Cables
  • Certified to CAN/CSA Std. C22.2 #198.2 Sealed Wire Connector Systems
Intertek USCan

37% less wire

62% less installation time & less labor needed

5-year guarantee

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