Lighting Circuits

Question 1

What are the different methods of wiring lights?

Answer 1

1. Three plate method.
2. Two plate method.
3. Loop in (conduit) method.
4. Junction box method.

Question 2

Where is the three plate method used?

Answer 2

Domestic installations.

Question 3

How do you add more than one light per switch in lighting circuits

Answer 3

Come out of the the switch live, neutral and earth terminals to the next light.

Question 4

How do you connect strappers?

Answer 4

By having 3 live cables going from L1 to L1, L2 to L2, L3 to L3 and connecting the earth

Question 5

Where is the two plate method used and why?

Answer 5

In newer domestic installations in preparation for smart switching.

Question 6

Where is the loop in (conduit) method used?

Answer 6

Commercial and industrial installations.

Question 7

Where is the junction box method used?

Answer 7

In both commercial and domestic installations.

Question 8

What are the different types of switching arrangements?

Answer 8

1. One way switching.
2. Two way switching.
3. Intermediate switching.
4. Smart switching.

Question 9

What wiring method do you take the neutral down to the switch and why?

Answer 9

2 plate method, for or in preparation for smart switching.