Explosive atmospheres - Equipment protection by type of protection "n" Ingestion-build-63114 This document also provides for

This document also provides for the assessment and verification of constancy of performance (AVCP) of characteristics and marking of these products

is maintained in a clean condition and shall be free of contaminants that might influence test results

such as cot sides and buffering devices are not included

and maintenance that applies to thermal energy meters

Explosive atmospheres - Equipment protection by type of protection "n" Ingestion-build-63114 This document also provides for1 Scope This part of IEC 60079 specifies requirements for the construction, testing and marking for Group II electrical equipment with type of protection, "n" intended for use in explosive gas atmospheres. This standard applies to electrical equipment where the rated voltage does not exceed 15 kV r. m. s. a. c. or d. c. This part of IEC 60079 is applicable to non sparking electrical equipment and also to electrical equipment with parts or circuits