What are the voltage
and amperage limits human beings can be exposed to for a short period of time
according to international safety regulations ?
Briefly explain the
four possible dangerous effects if these limits are exceeded.
Explain the safety measures
against dangerous contact.
Explain the safety measures
against dangerous body currents.
Explain the safety measures
against overload and short-circuit.
Name and explain the
area divisions for the installation of electric devices and conductors in
damp and wet areas and rooms (e.g. bath rooms, shower rooms, etc...).
Electric devices and
conductors have special identification marks that indicate where they can
be installed. Explain what has to be considered if one wants to e.g. install
an instantaneous water heater in the area B1 of a bath room.
Explain the following
international area protection specifications: IP 34; IP X7; IP 68
