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| Safety Symbol Definitions |
Symbol | Description |
| Direct current |
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| Alternating current |
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| Both direct and alternating current |
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| Earth (ground) terminal |
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| Protective earth (ground) terminal |
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| Frame or chassis terminal |
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| Terminal is at earth potential (Used for measurement and control circuits designed to be |
| operated with one terminal at earth potential.) |
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| Terminal for Neutral conductor on permanently installed equipment |
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| Terminal for Line conductor on permanently installed equipment |
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| On (supply) |
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| Off (supply) |
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| Standby (supply) |
| Units with this symbol are not completely disconnected from ac mains when this switch |
| is off. To completely disconnect the unit from ac mains, either disconnect the power |
| cord or have a qualified electrician install an external switch. |
| In position of a |
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| Out position of a |
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| Caution, risk of electric shock |
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| Caution, hot surface |
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| Caution (refer to accompanying documents) |
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