Assist in station work such as installing conduit, pipe, cable and wire; use hand lines to pass tools and materials; dig and backfill trenches; remove and spread stone; uncrate equipment and material; install and remove portable substation fences, barriers and safety signs; paint structures and equipment; use ladders properly and safely. Assist in making visual inspections such as check lights, heaters, circuit breaker counters, oil levels, and bus connections; read gauges such as voltmeters, ammeters, hydrometers, pressure and level gauges; apply start-run-stop tests on emergency generators, water and sump pumps.