Electrical Awareness Flashcards
1
Q
What is the safe approach distance for distribution & transmission powerlines?
A
- Distribution = 8m
- Transmission = 20m
2
Q
Explain step potential?
A
- When an energised wire comes into contact with the ground, it energises the ground surrounding it.
- This creates a ripple effect from the point of contact outwards.
- When feet are placed on different voltage rings, electricity equal to the difference between the rings will flow through the body.
3
Q
What is a UPS?
A
Uninterruptable
Power
Supply
Often used for computers to prevent data loss in the event of a blackout.
