Red Black Yellow Gold — 200 kΩ

Read left to right, starting from the end where the bands are grouped. The gold band is the tolerance and always sits alone at the far end.

What each band says

In a circuit

Surface-mount marking for the same value: 204.

If you misread one band

Brown and red, or orange and red, are easy to confuse under a desk lamp. These are the codes one band away from this one.

• Brown Black Yellow100 kΩ
• Red Black Red2 kΩ
• Red Black Orange20 kΩ
• Red Black Green2 MΩ
• Red Black Blue20 MΩ
• Red Brown Yellow210 kΩ
• Red Red Yellow220 kΩ
• Red Orange Yellow230 kΩ