EIR Testing & Maintenance Co. Repairs and Services EIR Testing & Maintenance Company Oil Circuit Recloser Maintenance Maintenance & Testing Comprehensive RebuildSanding, Painting and StencilingTCC Timing TestsOil Filtration or ReplacementDielectric Strength Testing for OilOver-Potential and Insulation TestingMechanical Operation TestingMinimum Trip Testing Equipment Upgrades Non-Recloser Conversion (One-Shot)Vacuum Interrupter UpgradeAmperage ChangesSequence ChangesStainless HardwarePlunger Return Spring Kit Update