4. 3-WAY SWITCH
A 3 - w a y s w i t c h i s a n
e l e c t r i c a l d e v i c e u s e d t o
c o n t r o l a b u l b f r o m t w o
d i ff e r e n t l o c a t i o n s .
9. Get ¼ sheet of paper and prepare for a short quiz.
1. What is the primary function of a 3-way switch in an electrical
circuit?
a. To control two different circuits from one switch
b. To control a single light or load from two different locations
c. To connect a circuit to the ground
d. To provide additional safety
2. Which of the following components are essential in a 3-way
switch circuit?
a. Live wire, neutral wire, traveler wires
b. Live wire, ground wire, fuse
c. Neutral wire, breaker, fuse
d. Ground wire, load, resistor
10. 3. How many traveler wires are used between two 3-way switches?
a. One
b. Two
c. Three
d. Four
4. In a typical 3-way switch wiring, what does the common terminal
connect to?
a. The traveler wires
b. The light fixture or power source
c. The ground wire
d. The neutral wire
11. 5. What is the role of the traveler wires in a 3-way switch circuit?
a. To supply power to the light fixture
b. To connect the two switches and allow control from either
location
c. To provide a direct connection to the ground
d. To act as a backup for the common wire
12. 1. b. To control a single light or load from two different locations
2. a. Live wire, neutral wire, traveler wires
3. b. Two
4. b. The light fixture or power source
5. b. To connect the two switches and allow control from either
location
ANSWERS KEY