This International Standard specifies the electrical requirements for the design and manufacture of self-propelled industrial trucks including masted and variable reach rough terrain trucks (see ISO 5053:1987, 3.1.3.1.8), and tow tractors with a rated drawbar pull up to and including 20 000 N. This International Standard applies to trucks with battery voltages in accordance with ISO 1044. For additional requirements of trucks with mains power, see IEC 60204-1. This International Standard does not apply to -- trucks used in potentially explosive atmospheres, or -- issues related to electromagnetic compatibility. This International Standard does not repeat all the technical rules which are state of the art and which are applicable to the material used to construct the industrial truck, for which reference can be made to ISO 12100-2.