4.2 Warning symbols on the device
Consult operating instructions
4.3 Laws and directives
Observe the test certification, provisions and laws applicable in your country during connection,
assembly and operation. These include, for example:
National Electrical Code (NEC - NFPA 70) (USA)
Canadian Electrical Code (CEC) (Canada)
Further provisions for hazardous area applications are for example:
EN 60079-0
EN IEC 60079-0
EN 60079-11
4.4 Conformity with European directives
The CE marking on the device shows conformity with the regulations of the following European
guidelines:
Electromagnetic compatibility
EMC
2014/30/EU
Directive of the European Parliament and of the Council on the
harmonization of the laws of the Member States relating to
electromagnetic compatibility.
ATEX
2014/34/EU
Directive of the European Parliament and of the Council on the
harmonization of the laws of the Member States relating to
equipment and protective systems intended for use in potentially
explosive atmospheres.
4.5 Improper device modifications
WARNING
Improper device modifications Risk to personnel, system and environment can result from
modifications to the device, particularly in hazardous areas.
Only carry out modifications that are described in the instructions for the device. Failure to
observe this requirement cancels the manufacturer's warranty and the product approvals.
4.6 Use in areas subject to explosion hazard
Qualified personnel for hazardous area applications
Persons who install, connect, commission, operate, and service the device in a hazardous area must
have the following specific qualifications:
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