PUE 7, Chapters 2.4 and 2.5 Overhead lines — clause by clause

PUE 2.4 (LV OHL) and 2.5 (HV OHL): ABC conductors, ground clearances (6–7 m), tower earthing, lightning shield wires.

Document

Document	PUE 7, Chapters 2.4 and 2.5 Overhead lines
Edition	2003 (ПУЭ-7, гл. 2.4 и 2.5)
Status	Current
Issued by	Ministry of Energy of Russia
Applies to	Overhead power lines: up to 1 kV (2.4) and above 1 kV (2.5)

Document structure

№	Chapter / section
2.4.1–2.4.30	LV OHL: general, conductors
2.4.55–2.4.70	LV OHL: clearances
2.5.1–2.5.40	HV OHL: general
2.5.76–2.5.90	HV OHL: clearances
2.5.120–2.5.160	Tower earthing, lightning

LV OHL (2.4)

2.4.13 ABC (СИП) conductors recommended; 2.4.55 clearance ≥ 6 m over roads, 5 m elsewhere; 2.4.70 building intake ≥ 2.75 m.

HV OHL (2.5)

2.5.76 Clearance ≥ 7 m in populated areas (up to 20 kV); 2.5.129 tower earthing ≤ 10–30 Ω; lightning shield wires per calculation.

Data is for reference. Final design decisions must follow current regulations and a qualified engineer.
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