This document applies to degrees of protection (IP code) provided by enclosures of the electrical equipment of road vehicles. It specifies the following: a) designations and definitions of types and degrees of protection provided by enclosures of electrical equipment (IP codes) for the: — protection of electrical equipment within the enclosure against ingress of foreign objects, including dust (protection against foreign objects); — protection of persons against access to hazardous parts inside the enclosure (protection against access); — protection of electrical equipment inside the enclosure against effects due to ingress of water (protection against water); b) requirements for each degree of protection; c) tests carried out in order to confirm that the enclosure complies with requirements of the relevant degree of protection.