Specifications include, but are not limited to: Material and labor for the installation, troubleshooting and repair of electrical systems 12V to 480V, including the following: Electrical panel treatment Breaker replacement New circuit additions Transformer installation or replacement Connection of motors, heating, air conditioning and refrigeration units Lighted sign repair Trenching Underground boring, including conduit and wiring installation Installation and service of interior and exterior lighting systems and LED lighting retrofits, including the following: Interior troffers of all sizes (2x2, 2x4, 1x4), high bay, low bay, recessed can and wall mounted fixtures at working heights up to 60 feet. Lighting pole and pole base installation or replacement Installation or replacement of pole-mounted area and flood light fixtures, wall pack, canopy, bollard, and Stadium lighting fixtures at working heights up to 125 feet. Lighting control system installation