The CE marking is only required if a product is covered by one or more CE Marking Directives or Regulations. Please find below a list of the CE Marking Directives and regulations (European Union directives/regulations that require the affixing of a CE mark to the products covers by them):

Machinery Directive – 2006/42/EC

Low Voltage Directive – 2014/35/EU

EMC Directive – 2014/30/EU

Medical Devices Directive – 93/42/EEC

Personal Protective Equipment Directive – 89/686/EEC (as of 21 April 2018 replaced by the Personal Protective Equipment Regulation (Regulation (EU) 2016/425)

Construction Products Regulation – Regulation (EU) No 305/2011

Pressure Equipment Directive – 2014/68/EU

REACH – Regulation (EC) No 1907/2006

RoHS – Restriction of Hazardous Substances – Directive – 2011/65/EU

Waste Electrical and Electronic Equipment Directive – 2012/19/EU

ATEX Directive – 2014/34/EU

Toy Directive – 2013/53/EU

Radio Equipment Directive – 2014/53/EU

Recreational Craft Directive – 2013/53/EU

Active Implantable Medical Devices Directive – 90/385/EEC

Explosive for Civil Use Directive – 93/15/EEC

Noise Emission in the Environment Directive – 2000/14/EC

Gas Appliances Directive – 2009/142/EC

Lifts Directive – 2014/33/EU

Pyrotechnic Directive – 2007/23/EC

Measuring Instruments Directive – 2004/22/EC

ATEX is never (seldom) alone. E.g: in case of a machinery at least together with Machinery and EMC.