Safety in Electrical Engineering

Terms and definitions, Decree No. 50/1978 Coll., Act No. 262/2006 Coll. – Labor code, EN 50110 ed. 2;
Act No. 22/1997 Sb. (2008/765/EC, 2001/95/ EC) , Governmental Order 17/2003 Sb. (2006/95/EC), NV 176/2008 Sb.( 2006/42/ES), Vyhl. 73/2010 Sb. (see EN 50110-2);
Identification of conductors by colors EN 60445:2010, 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;
Warning and information labels and tables (ISO 3864);
Basic principles and rules of protection against electric shock
Philosophy of Protection against electric shock (HD 60364 – 4 – 41 ed.2, EN 61140);
Areas classification according to risk of electric shock, touch voltage levels (HD 60364-4-41: 2007, National amendment Z1:2010 );
LV supply system in university laboratories (HD 60364-1:2010), principle of automatic disconnection to supply source;
Protective measures according to HD 60364-4-41:2007, EN 61140;
External influences acc. to HD 60364-5-51:2009, ingress protection (IP code) acc. to EN 60529:1991)
Wiring Systems – cable sizing, cable protection, current carrying capability acc to HD60364-5-52:2009, LV overcurrent protective devices;
Live working, operation of electrical installations
Workplace preparations;
Communication (transmission of information) important items included in EN 50110-1;
Definition of live working zone, vicinity zone;
Steps to be undertaken for dead working;
First aid by electric shock, extinguishing of electrical apparatus
First aid by electric shock;
Fire extinguishing of electrical installation and apparatus;
PC laboratories and PC Classrooms local safety rules;
Discussion.