Underground Electric Supply is a stocking distributor for medium and high voltage material used to build and maintain power generation, distribution, and transmission electrical projects, 480 volts thru 500kV. We stock heat shrink and cold shrink terminations and splices, liquid and dry type transformers, circuit breakers, fuses, load interrupter switches, Burndy lugs and connectors; 3M tape products, as well as cable guards. We have 24 hour, 7 days a week emergency services. We can ship overnight anywhere in the continental US on orders placed before 8pm EST / 5pm PST.