1. Electricity
Module 13

2. Electrical safety
About 25 people die of electrical injuries each year and on
average 1000 electrical accidents are reported to the HSE
The two main hazards are:
Injury arising from contact with live parts
Fire and explosion

3. Common hazards Cleaning Wet hands Incorrect fuses Overloading
Unprotected cables
Extension cables
Cable positioning

4. Precautions to prevent electric shocks
Double-insulated equipment
Transformers
Residual current devices
Effective earthing
Testing and examination
Installation and maintenance
Defect reporting

5. Maintenance of electrical equipment
Fixed electrical installations
These are the sockets and wiring in the building
Competent person
Fixed installations – formally inspected every 5 years

6. Why is there a risk with portable appliances?
Frequent use
Can be unplugged and moved
Used by different people
Transported some distance
Control measures
Visually checked by every user
Formal checks by a competent person