Basic Electrical Installation Work

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The positional reference system A positional reference system can used mark exact positions any space. Counting from the left-hand side the board there are 3:3, 3:16, 10:11, 18:3, 18:11, 25:3 and 25:16. The pins can then inserted required. Matrix board the insulated board full holes into which insert small pins and then attach the electronic components.Sources technical information and communications 71 All drawings and communications must aimed satisfying the client’s wishes for the project.7 shows number of pin reference points. Figure 3. 3. The position of point 4:3 would holes from the left and holes down. . the client who will pay the final bill which, in turn, pays your wages.7. uses simple grid reference system mark out points the space enclosed the grid. Prepare matrix board, any space for that matter, follows: ● Turn the matrix board that manufactured straight edge the top and left-hand side ● Use felt tip pen mark the holes groups five along the top edge and down the left-hand edge shown Fig. To set the grid reference, count along the columns the top the board, starting from the left and then count down the rows.7 Positional reference system used identify points electronic matrix board. easy understand consider specific example which use when building prototype electronic circuits matrix board. The detailed arrangements what must done to meet the client’s wishes are contained the client’s specification docu- ments and all your company’s efforts must directed meeting the whole specification, but more. 5 5 25 10 15 FIGURE 3