Residential telephone wiring diagrams and color code

Electrical Advice From an Experienced Professional

Home Telephone Wiring Color Code Chart
2 Pair	3 Pair	4 Pair and Cat 5 and Cat 6

Tip

Ring

Green

Red

Black

Yellow

Pair 1

White with blue stripe or band

Blue

Pair 2

White with orange stripe or band

Orange

Pair 3

White with green stripe or band

Green

Pair 4

White with brown stripe or band

Brown

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Telephone
Plug

Telephone
Jack

Black

Red

Green

Yellow

2-Pair Telephone Plug		2-Pair Telephone Jack
White with orange stripe or band	Black	White with orange stripe or band
Blue	Red	Blue
White with blue stripe or band	Green	White with blue stripe or band
Orange	Yellow	Orange

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3-Pair Telephone Plug		3-Pair Telephone Jack
Green	Blue	Green
White with orange stripe or band	Black	White with orange stripe or band
Blue	Red	Blue
White with blue stripe or band	Green	White with blue stripe or band
Orange	Yellow	Orange
White with green stripe or band	White	White with green stripe or band

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4-Pair Telephone Plug and Cat 5 and Cat 6		4-Pair Telephone Jack and Cat 5 and Cat 6
White with orange stripe or band	Black	White with orange stripe or band
Orange	Yellow	Orange
White with green stripe or band	White	White with green stripe or band
Blue	Red	Blue
White with blue stripe or band	Green	White with blue stripe or band
Green	Blue	Green
White with brown stripe or band	Orange	White with brown stripe or band
Brown	Brown	Brown

Drill & Tap Equivalents

Electrical Formulas

Electrical Pipe & Conduit Sizes

Metric Conversions

Linear & Area
Equivalents

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Updated January 27, 2012

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