EQUIPMENT SAFETY SYMBOLS
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) current
Protective conductor terminal
Frame or chassis terminal
On (power)
Off (power)
Equipment protected throughout
by double insulation or reinforced
insulation
Caution, possibility of electric shock
Caution, hot surface
Caution*
In position of bi-stable push control
Out position of bi-stable push control
Ionizing radiation
Symbol
Description
* Manufacturer to state that documentation must be
consulted in all cases where this symbol is marked.