What color is the wire conductor for pin 4 on a TIA-568 modular plug?

What color is the wire conductor for pin 4 on a TIA-568 modular plug?

• White with blue stripe
• Solid orange
• Solid blue
• White with green stripe               

EXPLANATION

The TIA-568 cabling standard is as follows for both 568A and 568B configured cables:

TIA-568A

1. White with green stripe
2. Solid green

3. White with orange stripe

4. Solid Blue

5. White with blue stripe

6. Solid orange

7. White with brown stripe

8. Solid brown

For the TIA-568B standard:

1. White with orange stripe

2. Solid orange

3. White with green stripe

4. Solid Blue

5. White with blue stripe

6. Solid green

7. White with brown stripe

8. Solid brown

Two other things to keep in mind - the 568 A and B standard only differ with the Orange and Green pairs; they are switched between A and B. Also, modular plugs are numbered 1-8 with the retaining tang pointed down.