Aim:

To make a chart showing standard wire color codes for home and laboratory use.

Requirements:

• Chart paper (A3 or bigger)

• Colored sketch pens / markers

• Scale and ruler

• Reference on standard wire color codes

Working:

Step 1: Prepare the Chart Layout

• Draw a table with 3 columns:

  1. Function (Live / Neutral / Earth)

  2. Home Wiring Color

  3. Lab Wiring Color

Step 2: Fill in Information

• Write down the wire names (Live, Neutral, Earth).

• Use the correct colors in each column:

  • Live → Red / Brown (home), Red (lab)

  • Neutral → Black / Blue (home), Black (lab)

  • Earth → Green / Green-Yellow (home), Green (lab)

Step 3: Add Labels & Key

• At the bottom, write:
  “Color codes help prevent mistakes and keep electrical work safe.”

Step 4: Display

Hang the chart in your classroom or lab for reference.