25 pair wire color code. Most of europe abides by iec international electrotechnical commission wiring color codes for ac branch circuits. The first two. Slate color codes for 25 pair cables. Each html code contains symbol and 6 letters or numbers.
Instrumentation cable control cable. The first primary color is chosen from one group of five colors and the other secondary color from a second group of five colors giving 25 combinations of two colors. Technical information telecommunications color code chart plastic insulated communication cables 25 pair unit colors pair number ring color tip color pair number ring color tip color 1 blue white 13 green black 2 orange white 14 brown black 3 green white 15 slate black 4 brown white 16 blue yellow 5 slate white 17 orange yellow 6 blue red 18 green yellow 7 orange red 19 brown yellow 8 green. Flexible cord service cord.
The 25 pair color code is used to identify individual conductors in a telecommunications twisted pair cable. 25 pair telco cable pinout. A common application of the 25 pair color code is the cabling for the registered jack interface rj21 which uses a female 50 pin miniature ribbon connector as shown in the following tablethe geometry of the pins of the receptacle right hand image corresponds to the pin numbers of the table. These numbers are in hexadecimal numeral system.
Html color codes theory. The protective ground wire listed as green yellow is green with yellow stripe. These are listed in table below. Letter to our customers regarding coronavirus covid 19 skip navigation search 860 589 9035 close menu.
The older color codes in the table reflect the previous style which did not account for proper phase rotation. So you are wondering does this weird combination of letters and numbers have any meaning well the answer is yes and this is how it goes html codes format. For example ff in hexadecimal represents number 255 in decimal. 25 pair cables color code table.
The colors are marked on the conductors insulation. The 25 pair color code is a color code used to identify individual conductors in a kind of electrical telecommunication wiring for indoor use known as twisted pair cables often seen with rj21. 25 pair color code. Every pair is identified by a combination of 5 tip and 5 ring colors.