The larger line is positive.
Iec dc power supply symbol.
Power supply rectifier ac dc jic nfpa symbols.
Used as a dc power supply that is the current will always flow in one direction.
Used as ac power supply that is the current will keep alternating directions.
A battery is more than one cell.
Power supply symbols cell.
Ac supply circuit symbol.
The larger line is positive.
Available in svg png jpg dxf dwg formats.
Power supplies symbols for use in electrical pneumatic and hydraulic schematic diagrams.
A single cell is often called a battery but strictly speaking a battery is two or more cells joined together.
Dc supply circuit symbol.
Used in circuits where a probability of excessive current flows.
Iec 60417 5009 the standby symbol line partially within a broken circle indicates a sleep mode or low power state.