1 - the location of the relay. The number 12 indicates the location of the relay unit. 2 - designation unit or element. Designation of the block or element are listed in the specification. 3 - designation of the fuse. For example: fuse 19 with a current protection 10A 4 - Designation of contacts. For example: Track 3 / 49a. 3 - 3 relay contact 12 on the relay. 5 - a designation of contacts on the relay. A13 indicates a contact terminal 13 A. 6 - wire size in mm 2. 7 - the color of the wires. The colors of the wires are shown in wiring diagrams. | | 8 - Designation of contact. 9 - the block or element. 10 - Designation of the unit or element and its number. 11 - the continuation of the wiring. The number in the box indicates the electrical circuit to which this wire is connected. 12 - internal connections. 13 - the continuation of the internal electrical connections. 14 - marking the grounding point. 15 - Relay and fuse. 16 - external connections. 17 - number of coordinates. Designed to facilitate the search for nodes in the diagrams. |