Medium & High Voltage

Fully stocked with parts and accessories for medium and high voltage projects

Helpful Product Specialists

Call us 24/7 to speak with an expert. Need it ASAP? We can overnight ship your product if order placed before 8pm PST.

24/7 PREMIUM CUSTOMER SUPPORT

OVERNIGHT SHIPPING BEFORE 8PM PST

OVER 4 DECADES OF EXPERIENCE

CERTIFIED EXPERTS

MEDIUM VOLTAGE SPLICE KITS


HIGH VOLTAGE TERMINATION KITS


Featured Products

Upgrade to the next level

The best quality you can buy.

Customer Friendly & Knowledable Product Specialists Available 24/7

Let us help you find exactly what you need to keep you up and running.

Quick Delivery

Need this product immediately? We offer overnight shipping for all orders on the continental U.S. until 8pm EST.

Secure Payments

All payments are made through our secure payment portal and checked by our fraud detection agency.

24/7 Customer Service

Call us anytime to speak with a product specialist directly from Underground Electric Supply: 909-628-4763