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9 Cards in this Set

  • Front
  • Back

Wire size for overhead span up to 50ft

10awg

Size for overhead span over 50ft

8awg with messenger wire

Requirement for festoon lighting

12awg or larger with messenger wire and strain insulators exceeding 40ft

Point of attachment height outdoor wires

10ft with maintained clearance from 225.18

Vertical clearance for finished grade, sidewalks, platforms, projections 120-240v accessable to pedestrians

10ft

Vertical clearance for residential property and driveways and commercial areas with truck traffic 120v-480v

12ft

Vertical clearance for public streets, alleys, roads, parking areas with trucks, driveways (nonresidential) and areas for farm equipment.

18ft

Vertical clearance over railways

24.5ft

Vertical clearance above roofs

8ft maintained to 3ft from edge of roof