: 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.
Sometimes the Wire Colors Do Not Match. Many phone companies have updated their color standards due to the use of Cat 5 cable for most phone line installs and to keep residential and business installs in line with each other. In this new standard, there are no green, red, black, or yellow wires.White/blue, blue/white, white/orange, and orange/white wires have replaced them. Knowing how to identify the wire color is a simple matter. The wire is going to be primarily one color, with small stripes of a secondary color on it.ometimes the Wire Colors Do Not Match. Many phone companies have updated their color standards due to the use of Cat 5 cable for most phone line installs and to keep residential and business installs in line with each other. In this new standard, there are no green, red, black, or yellow wires.