Safety in Electrical Engineering I

Terms and definitions, Act No. 250/2021 Coll. and Government Regulation No. 194/2022 Coll;
Act No. 262/2006 Coll. – Labor code;
Identification of conductors by colors EN 60445 ed.5, ČSN EN 60446:2007, ČSN 33 0165 ed. 2);
Basic and safety principles for man-machine interface, marking and identification. Coding principles for indicators and actuators EN 60073 ed.2;
Graphic symbols - Safety colours and safety symbols (ČSN ISO 3864-1);
Basic principles and rules of protection against electric shock
Philosophy of Protection against electric shock (ČSN EN 61140 ED.3);
Areas classification according to risk of electric shock, touch voltage levels (HD 60364-4-41:2017);
LV supply system in university laboratories (HD 60364-1:2008/A11:2017), principle of automatic disconnection to supply source;
Protective measures according to HD 60364-4-41:2017, EN 61140 ED.3;
External influences acc. to HD 60364-5-51:2009 (ČSN 33 2000-5-51 ED.3+Z1+Z2), ingress protection (IP code) acc. to EN 60529:1991)
Wiring Systems – cable sizing, cable protection, current carrying capability acc to HD60364-5-52:2011 (ČSN 33 2000-5-52 ED.2), LV overcurrent protective devices;
Live working, operation of electrical installations
Workplace preparations;
Communication (transmission of information) important items included in EN 50110-1 (ČSN EN 50110-1 ED.3);
Definition of live working zone, vicinity zone;
Steps to be undertaken for dead working;
First aid by electric shock;
Fire extinguishing of electrical installation and apparatus;
PC laboratories and PC Classrooms local safety rules;
Discussion.