Directive 2014/34/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast) (Text with EEA relevance) (c. 34)

ANNEX II U.K. ESSENTIAL HEALTH AND SAFETY REQUIREMENTS RELATING TO THE DESIGN AND CONSTRUCTION OF EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES

2. Supplementary requirements in respect of equipment U.K.

2.1. Requirements applicable to equipment category 1 of equipment-group II U.K.

2.1.1. Explosive atmospheres caused by gases, vapours or mists U.K.

2.1.1.1. Equipment must be so designed and constructed that sources of ignition do not become active, even in event of rare incidents relating to equipment. U.K.

It must be equipped with means of protection such that:

• either, in the event of failure of one means of protection, at least an independent second means provides the requisite level of protection,

• or, the requisite level of protection is ensured in the event of two faults occurring independently of each other.