Install, adjust, or maintain mobile electronics communication equipment, including sound, sonar, security, navigation, and surveillance systems on trains, watercraft, or other mobile equipment.
<ul><li>Inspect and test electrical systems and equipment to locate and diagnose malfunctions, using visual inspections, testing devices, and computer software.</li><li>Reassemble and test equipment after repairs.</li><li>Adjust, repair, or replace defective wiring and relays in ignition, lighting, air-conditioning, and safety control systems, using electrician's tools.</li><li>Splice wires with knives or cutting pliers, and solder connections to fixtures, outlets, and equipment.</li><li>Locate and remove or repair circuit defects such as blown fuses or malfunctioning transistors.</li><li>Maintain equipment service records.</li><li>Refer to schematics and manufacturers' specifications that show connections and provide instructions on how to locate problems.</li><li>Install fixtures, outlets, terminal boards, switches, and wall boxes, using hand tools.</li><li>Install new fuses, electrical cables, or power sources as required.</li><li>Cut openings and drill holes for fixtures, outlet boxes, and fuse holders, using electric drills and routers.</li></ul>