scope:

NPR-IEC/TR 63054 applies to the fire risk analysis of low-voltage switchgear and controlgear (hereinafter referred to as "equipment") referring to the IEC 60947 relevant publications, where the following applies: - only the case where a fire originates (typically under fault or misuse conditions) within the equipment; - only equipment installed in normal environments. Hazardous environments, for example in presence of combustible materials, is not to be considered; - only the case of products selected, installed and used according to the manufacturer instructions and installation rules. In addition, the following cases are not considered: - faults addressed by IEC TR 61641; - risks due to smoke emissions; - double faults, i.e. multiple phenomenon, potentially combined.