Electic Shock Flashcards
1
Q
What types of injury’s do electric shocks cause?
A
Muscular spasms Muscular tremor Heart may stop Breathing may stop Burns
2
Q
What are the general safety precautions?
A
Remove jewellery Know location of master switch Isolate Use insulated rubber mats Have a competent person working with you
3
Q
When can you work under live conditions?
A
When it’s authorised
Competent trade person
Satisfactory precautions can be applied
4
Q
What factors influence electric shock?
A
Voltage
Frequency
Resistance
Current
4
Q
What is classified as a safe voltage?
A
No voltage
5
Q
What must you do when connecting ammeter?
A
Isolate the power
6
Q
What’s the procedure when testing to ensure a circuit is isolated?
A
Select meter
Test
Switch off
Test
7
Q
What can you measure in a live circuit?
A
Voltage
