Power Cable Pulling: SIDEWALL_PRESSURE_LIMIT
Power cable pulling tension limits, sidewall bearing pressure limits, friction coefficients, jam ratio thresholds, minimum bend radius multipliers, and NEC conduit fill limits. Covers copper (K=0.008) and aluminum (K=0.006) max tension by AWG/kcmil per ICEA P-79-561 / IEEE 1185-2019; SWBP limits for XLPE, EPR, PVC, armored, and lead-sheathed cables; COF by conduit type (steel/PVC/HDPE/FRP) and lubrication condition; jam ratio safe zones (danger: 2.7–3.1); NEC 300.34 bend radius multipliers.
| parameter type | record id | insulation type | notes | unit | value max | value min | value typical |
|---|---|---|---|---|---|---|---|
| SIDEWALL_PRESSURE_LIMIT | SWBP_EPR_JACKETED | EPR | EPR with PVC or polyethylene jacket; jacket provides additional surface protection | lbf/ft | 1,000 | 800 | 1,000 |
| SIDEWALL_PRESSURE_LIMIT | SWBP_EPR_SHIELDED | EPR | EPR with metallic tape or concentric wire shield and jacket | lbf/ft | 1,500 | 1,200 | 1,500 |
| SIDEWALL_PRESSURE_LIMIT | SWBP_EPR_UNSHIELDED | EPR | Unshielded EPR; lower limit due to EPR insulation softness; use conservative 300-500 range | lbf/ft | 500 | 400 | 500 |
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