54.6-C1)    Conductors Of 0-750 Volts: Lateral runs of conductors of 0-750 volts may be less than the clearances from center line and surface of pole, and from the surface of crossarm, as specified in Table 1, Cases 8 and 9, provided such conductors are suitably insulated and placed along the bottom surface of crossarms and are protected by wood moulding or impregnated fiber conduit of thicknesses not less than as specified in Rule 22.2, or are protected by plastic pipe designated as Type II, Schedule 40 in the standard specified in Rule 22.2-C. The plastic pipe shall have a minimum wall thickness of 0.10 inches.

54.6-C1)    Conductors Of 0-750 Volts: Lateral runs of conductors of 0-750 volts may be less than the clearances from center line and surface of pole, and from the surface of crossarm, as specified in Table 1, Cases 8 and 9, provided such conductors are suitably insulated and placed along the bottom surface of crossarms and are protected by wood moulding or impregnated fiber conduit of thicknesses not less than as specified in Rule 22.2, or are protected by plastic pipe designated as Type II, Schedule 40 in the standard specified in Rule 22.2-C. The plastic pipe shall have a minimum wall thickness of 0.10 inches.

54.6-C1)    Conductors Of 0-750 Volts: Lateral runs of conductors of 0-750 volts may be less than the clearances from center line and surface of pole, and from the surface of crossarm, as specified in Table 1, Cases 8 and 9 , provided such conductors are suitably insulated and placed along the bottom surface of crossarms and are protected by wood moulding or impregnated fiber conduit of thicknesses not less than as specified in Rule 22.2 , or are protected by plastic pipe designated as Type II, in the standard specified in Rule 22.2-C . The plastic pipe shall have a minimum wall thickness of 0.10 inches.