hazard: any potential danger, damage or injury that can come from various sources: handling certain substances or materials, processes, practices,...Dangers are signalled through warning sign and symbols that must be displayed wherever there in a danger. Dangers can be: electrical hazards, like the formation of an electric arc, moving and lifting loads, storage of tools and materials, working procedures, clothing...
Electricity:
-
-
arc flash
burns
cable
electric shock
electrocution
explosion
fire
flammable/inflammable
to ignite
overhead power line
overheating
spark
wire
pylon
electric circuit board
light bulb
house wiring
plug
socket
fuse
mains cable
transformer
power station
phase
neutral
earth
dielectric
-
DEFINITIONS :pencil2: what is it? it's the invisible force of attraction or repulsion between electric charges, that can produce some physical effects such as heat, light, motion. Electric charges in a body are balanced in normal conditions, that is the number of protons equals the number of electrons. if we create a difference of potential between two charges, we can produce a current. Current is the flow of electrons through the wire due to a difference of potential between the two end of that wire