Printed in the Federal Republic of Germany
TR-Electronic GmbH 2019, All Rights Reserved
08/20/2021
TR-ECE-BA-GB-0138 v04
Page 15 of 47
2.9 Personnel selection and -qualification; basic obligations
2.9.1 Electrical installations design, device selection and erection
The project development of electrical systems, the selection of the devices and the in-
stallation in potentially explosive atmospheres may only be performed by persons
whose training includes instruction in various types of ignition and installation tech-
niques, applicable regulations and prescriptions as well as general principles of the
Zone-classification. The persons must have the relevant competence for the type of
work to be performed.
The personnel must regularly undergo corresponding further training or courses.
For definitions on the knowledge, expertise and competence of the "responsible per-
sons", "manual workers" and "planners", the EN/IEC 60079-14 standard is to be addi-
tionally consulted [suppliers e.g. Beuth Verlag GmbH, VDE-Verlag GmbH].
2.9.2 Inspection, maintenance and repair
The inspection, maintenance and repair of electrical systems in potentially explosive
environments may only be performed by experienced personnel who have also
gained knowledge on the various types of ignition and installation procedures, the re-
quirements of the EN/IEC 60079-17 standard, relevant national provisions and com-
pany regulations for the system as well as on the general principles of the Zone-
classification during their training.
Personnel are to undergo appropriate further training or instruction regularly. Proof of
the relevant experience and completed training must be available.
For definitions on the knowledge, expertise and competence of the "responsible per-
sons", "expert person with leadership functions" and the "performing personnel", the
EN/IEC 60079-17 standard is to be additionally consulted [suppliers e.g. Beuth Ver-
lag GmbH, VDE-Verlag GmbH].
