Basic Electrical Awareness

Question 1

What is step potential?

Answer 1

When feet are placed on different voltage rings, the electricity equal to the difference between the rings will flow through the body.

Question 2

What is the safe approach distance for distribution powerlines?

Answer 2

8 metres.

Question 3

What is the safe approach distance for transmission powerlines?

Answer 3

20 metres.

Question 4

What are the limitations of the Modiewark voltage AC voltage detector?

Answer 4

Can give false positive if knocked or rubbed against cloth.

Does not detect:
- Direct Current (DC).
- AC wiring that is shielded.
- Step potential