Contact Tech Support

We offer a toll-free technical support hotline staffed by experienced application engineers. They can help you select stock transformers, find a modified design, walk you through special wiring configurations or banking needs and troubleshoot problems. Have special transformer needs? They'll work with you to determine the best custom transformer design to meet your specific needs.

technical_services@jeffersonelectric.com

Telephone: (414) 209-1620

Toll Free: (800) 892-3755

Note: Our Application Engineers are not legally allowed, to comment on anything dealing with local code issues. Examples are as follows:

  • Grounding
  • Bonding of a neutral or secondary
  • Fuse Sizing