Key
Power Lines
| < 10 kV | |
| ≥ 10 kV | |
| ≥ 25 kV | |
| ≥ 52 kV | |
| ≥ 132 kV | |
| ≥ 220 kV | |
| ≥ 310 kV | |
| ≥ 550 kV | |
| HVDC | |
| Traction (< 50 Hz) | |
| Underground | |
| Line reference |  |
Power Plants
| Coal |  |
| Geothermal |  |
| Hydroelectric |  |
| Nuclear |  |
| Oil/Gas |  |
| Solar |  |
| Wind |  |
| Biomass |  |
| Waste |  |
| Battery |  |
Power Generators
| Wind turbine |  |
| Solar panel | |
| Solar panel (node) |  |
| Other generator |  |
Power Line Supports
| Tower/Pylon |  |
| Transition tower |  |
| Power pole |  |
| Transition pole |  |
Switchgear
| Transformer |  |
| Transformer (3 windings) |  |
| Current transformer |  |
| Potential transformer |  |
| Disconnector |  |
| Circuit breaker |  |
| Other switch |  |
| Series reactor |  |
| Shunt reactor |  |
| Series capacitor |  |
| Shunt capacitor |  |
| Filter |  |
| Other compensator |  |
| DC converter substation |  |
Telecoms
| Cable | |
| Tower/Mast |  |
| Datacenter |  |
| Telephone exchange |  |
| Cabinet |  |
Petroleum
| Oil | |
| Gas | |
| Petroleum intermediate | |
| Fuel | |
| Hydrogen | |
| Petroleum facility |
Water
| Fresh water | |
| Hot water | |
| Steam | |
| Wastewater | |
| Water treatment plant |  |
| Water pumping station |  |
| Sewage treatment plant |  |
| Sewage pumping station |  |
| Other pumping station |  |
Other Pipelines
| Oxygen | |
| CO2 | |
| Nitrogen | |
| Beer | |
| Other |