Which of the following must NOT be considered while drawing a schematic diagram?
1. Branched circuits of equal importance should be drawn similar to one another.
2. Switches, push buttons and contacts should be drawn in actuated position.
3. The supply lines should be drawn horizontally while the different circuit connections should be drawn vertically.
4. Switches, push buttons and contacts should be drawn in such a way that their movement is from left to right.