Tools and Resources

We have provided the following tools and resources to assist you in your product selection process. The illustrations, charts, guides, and other assorted materials available here are meant to help you narrow your selection process. Please consult the product information pages and corresponding product data sheets before making a final selection.

Wire and Cable
  • Wire Ratings Chart
  • 12VDC Wire Sizing Chart
  • Battery Cable Loads Charts
  • Stud Hole Chart for Ring Terminals
  • American Wire Gauge Conversion Chart
  • Insulation Color Chart
  • Recommended Crimp Tools for Insulated and Non-insulated terminals
  • Ring Terminals: Butted vs Brazed Seam Illustration/Explanation
  • Connectors Guide (by current rating) 
  • Molded Connectors: Contacts/Wire Color Chart
Wire Coverings & Protection
  • Installing Heat Shrink Tubing
  • How to Measure Flexo Wrap from Techflex

  • Spotlights and Floodlights 
Battery Management
  • Waytek and Littelfuse Battery Disconnect Webinar
  • Littelfuse Battery Disconnect Selection Guide
  • Littelfuse case study - selecting the right switch
Power Distribution
  • Littelfuse HWB article and HWB selection guide
  • Waytek and Littelfuse PDM Selection Webinar
  • Littelfuse Relays White Paper
  • Littelfuse Fuse Selection Chart
  • Fuse Selection Guide
  • Eaton Fuse Selection Chart
Circuit Breakers
  • High Amp Circuit Breaker