Electrical Wiring Colors -Multiple Choice Questions Quiz

Interactive MCQs on “Electrical Wiring Colors”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: In electrical wiring, which color is typically used for the 'ground' or 'earth' wire?

(a) Red
(b) Green
(c) Black
(d) Blue

Question 2: Which color is generally used for the 'neutral' wire in electrical installations?

(a) White
(b) Green
(c) Red
(d) Yellow

Question 3: Which color is commonly used for the 'live' or 'hot' wire in electrical wiring?

(a) Red
(b) Green
(c) Black
(d) Blue

Question 4: In a three-phase electrical system, which color is used for one of the 'phase' wires?

(a) Brown
(b) Green
(c) Black
(d) Blue

Question 5: Which color is used for the 'switched live' wire in electrical wiring for lighting circuits?

(a) Yellow
(b) Green
(c) Red
(d) Blue

Question 6: Which color is used for the 'traveler' wires in a three-way switch configuration?

(a) White
(b) Green
(c) Black
(d) Yellow

Question 7: Which color is used for the 'line' wire in a single-phase electrical system?

(a) Blue
(b) Green
(c) Red
(d) Brown

Question 8: Which color is used for the 'load' wire in a single-phase electrical system?

(a) White
(b) Green
(c) Red
(d) Blue

Question 9: In direct current (DC) wiring, which color is commonly used for the positive (+) wire?

(a) Brown
(b) Green
(c) Red
(d) Blue

Question 10: In electrical wiring, which color is used for the 'auxiliary' or 'signal' wire?

(a) Orange
(b) Green
(c) Black
(d) Gray