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 | Designation/Explanation | ||||||||||
V | Volts | Voltage (potential) | ||||||||||
A | Amperes | Current | ||||||||||
Hz | Hertz | Frequency (cycles per second) | ||||||||||
W | Watt | Power | ||||||||||
kg | Kilograms | Weight | ||||||||||
min | Minutes | Time | ||||||||||
s | Seconds | Time | ||||||||||
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n0 | No load speed | Rotational speed, at no load | ||||||||||
.../min | Revolutions or reciprocation | Revolutions, strokes, surface speed, orbits | ||||||||||
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| Off position | Zero speed, zero torque... | ||||
1, 2, 3, ... | Selector settings | Speed, torque, or position settings | ||||||||||
I, II, III, |
| Higher number means greater speed | ||||||||||
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| Infinitely variable selector | 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 | ||||
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| Earthing terminal | Grounding terminal | ||||
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| Warning symbol | Alerts user to warning messages | ||||
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This symbol designates | This symbol designates that | This symbol designates that |
that this tool is listed by | this tool is listed to Canadian | this tool complies to NOM |
Underwriters Laboratories. | Standards by Underwriters | Mexican Standards. |
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This symbol designates | This symbol designates that this | This symbol designates that |
that this tool is listed | tool is listed by Underwriters | components of this tool are |
by the Canadian | Laboratories and listed to | listed by Underwriters |
Standards Association. | Canadian Standards by | Laboratories and listed to |
| Underwriters Laboratories. | Canadian Standards by |
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| Underwriters Laboratories. |
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