Symbols
IMPORTANT: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.
Symbol | Name |
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| V | Volts |
| Voltage (potential) |
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| A | Amperes |
| Current |
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| Hz | Hertz |
| Frequency (cycles per second) | ||||||||||
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| W | Watt |
| Power |
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| kg | Kilograms |
| Weight |
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| min | Minutes |
| Time |
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| s | Seconds |
| Time |
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| Diameter |
| Size of drill bits, grinding wheels, etc. | ||||
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| n0 | No load speed |
| Rotational speed, at no load | |||||||||
.../min | Revolutions or reciprocation per minute | Revolutions, strokes, surface speed, | |||||||||||||
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| orbits etc. per minute |
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0 |
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| Off position |
| Zero speed, zero torque... | |||||||||
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1, 2, 3, ... | Selector settings |
| Speed, torque or position settings. | ||||||||||||
I, II, III, |
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| Higher number means greater speed | ||||||||||||
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0 |
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| Infinitely variable selector with off |
| Speed is increasing from 0 setting | ||||||
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| Arrow |
| Action in the direction of arrow | ||||
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| Alternating current |
| Type or a characteristic of current | ||||
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| Direct current |
| Type or a characteristic of current | ||||
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| Alternating or direct current |
| Type or a characteristic of current | ||||
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| Class II construction |
| Designates Double Insulated | ||||
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| Construction tools. |
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| Earthing terminal |
| Grounding terminal |
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| Warning symbol |
| Alerts user to warning messages | ||||
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| Designates | |||||
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| program |
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| This symbol designates | This symbol designates |
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| that this tool is listed to |
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| that this tool is listed by | Canadian Standards by |
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| Underwriters Laboratories. |
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| Underwriters Laboratories. | This symbol | ||||||
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| This symbol designates | |||||
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| This symbol designates | designates | ||||||
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| that this tool is listed by | that | ||||||
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| that this tool is listed by | Underwriters Laboratories, | this tool | |||||
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| the Canadian Standards | and listed to Canadian | complies | |||||
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| Association. | Standards by Underwriters | to NOM | |||||
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| Laboratories. | Mexican | ||||
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| Standards. | |||
This symbol designates that this tool is listed by
Intertek Testing Services.