5.1 Introduction5.2 Radial-Type Primary Feeder5.3 Loop-Type Primary Feeder5.4 Primary Network5.5 Primary-Feeder Voltage Levels5.6 Primary-Feeder Loading5.7 Tie Lines5.8 Distribution Feeder Exit: Rectangular-Type Development5.9 Radial-Type Development5.10 Radial Feeders with Uniformly Distributed Load5.11 Radial Feeders with Nonuniformly Distributed Load5.12 Application of the A, B, C, D General Circuit Constants to Radial Feeders5.13 Design of Radial Primary Distribution Systems5.13.1 Overhead Primaries5.13.2 Underground Residential Distribution5.14 Primary System CostsProblemsReferencesFigure 5.1Figure 5.2Figure 5.3Figure 5.4Figure 5.5Figure 5.6Figure 5.7Figure 5.8Figure 5.9Figure 5.10Figure 5.11Figure 5.12Figure 5.13Figure 5.14Figure 5.15Figure 5.16Figure 5.17Figure 5.18Figure 5.19Figure 5.20Figure 5.21Figure 5.22Figure 5.23Figure 5.24Figure 5.25Figure 5.26Figure 5.27Figure 5.28Figure 5.29Figure 5.30Figure 5.31Figure 5.32Figure 5.33Figure 5.34Figure 5.35Figure 5.36Figure 5.37Table 5.1Table 5.2Table 5.3