Boss Industrial ES7T20, Owner'S Manual

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Some of the following symbols may be used on this 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

A

Amperes

Current

Hz

Hertz

Frequency (cycles per second)

W

Watt

Power

min

Minutes

Time

Alternating Current

Type of current

Direct Current

Type or a characteristic of current

no

No Load Speed

Rotational speed, at no load

Class II Construction

Double-insulated construction

.../min

Per Minute

Revolutions, strokes, surface speed, orbits etc., per minute

Wet Conditions Alert

Do not expose to rain or use in damp locations.

Read The Operator’s Manual

To reduce the risk of injury, user must read and understand 
operator’s manual before using this product.

Eye, Face & Ear Protection

Always wear safety goggles or safety glasses with side shields, 
earplugs and a face shield when operating this product.

Safety Alert

Precautions that involve your safety.

Wear Gloves

Always wear nonslip, heavy-duty protective gloves when 
operating this product.

Wear Safety Footwear

Always wear nonslip safety footwear when operating this product.

Keep Bystanders Away

Always keep bystanders at least 25 ft. (7.5 m) away.

Keep Hands Away

Always keep hands away from the wedge and the ram.

Pinch Point 

Never touch the cylinder bed, ram, or wedge during machine 
operation. 

Rotating & Moving Parts Alert 

Beware of rotating and moving parts, serious injury could occur.  

Electric Shock Alert 

Never touch damaged or exposed wires while the machine is 
connected to a power source.