: not prepared ahead of time : made or done without preparation. 1  Two of my friends came by unexpectedly, and we had an impromptu little party in my kitchen. 2  He made an impromptu speech about honor and responsibility.
Go to the existing phone jack and unscrew the cover of the jack with the screwdriver. Locate the four wires and attach each wire to its matching color. Step 6. Go to the location of the new phone jack. Attach the telephone wire to the terminals inside the phone jack. They are named red, green, yellow, and black. Attach the corresponding color to its match.
What is the basic way to wire a phone jack? To wire a phone jack, cut open the outer insulation of the wire, access the inner wire to expose the copper wires inside, and undo the screws of the wall jack. Then, secure the white, blue, orange and stripped wires to the appropriate screws of the jack.