The following symbols may appear within the documentation or on the product.
Alerts the user where the enclosure temperature may exceed 158°F (70°C) while operating under
high-ambient temperature and at maximally rated load.
Signifies the presence of important operating and maintenance (servicing) instructions in the literature
accompanying the appliance.
Warns about the presence of uninsulated dangerous voltage within the product’s enclosure that may
be of sufficient magnitude to constitute a risk of electric shock to persons.
Indicates the principal On/Off switch is in the On position.
Indicates the principal On/Off switch is in the Off position.
Protective Grounding Terminal
Indicates a terminal that must be connected to earth ground before any other connections to the
equipment may be made.