GB 50168-2018 Cable line installation — translation

GB 50168-2018: installation methods, bending radii, testing after installation.

🇷🇺 PUE — Rules for Electrical Installations (7th ed.)🕰️ PUE-6 — Rules for Electrical Installations (6th ed., 1985)🇺🇸 NEC — National Electrical Code (NFPA 70)🇪🇺 IEC 60364 / HD 60364 (EU national codes)🌎 NOM-001-SEDE, NBR 5410, AEA 90364, RETIE, NCh 4, CNE 🇨🇳 GB 50054, GB 50303, JGJ 16, GB/T 16895 (IEC 60364)🇮🇳 IS 732

Document

Document	GB 50168-2018 Cable line installation
Edition	2018
Status	Current (mandatory, GB)
Issued by	MOHURD China
Applies to	Cable line installation and acceptance: underground, conduit, tunnels, bridges

Document structure

№	Chapter / section
1–3	General, preparation
4	Conduit and duct installation
5	Tunnel and shaft installation
6	Underground installation
7	Bridge and rack installation
8–9	Joints, testing

GB 50054-2011 Code for design of low-voltage electrical installations GB 50303-2015 Acceptance of building electrical works JGJ 16-2008 Electrical design of civil buildings GB 50096-2011 Residential design code, section 8 GB 50057-2010 Building lightning protection code GB 51348-2019 Civil buildings electrical design standard GB 50168-2018 Cable line installation GB 50052-2009 Supply reliability (China)GB 50058-2014 Explosive atmospheres (China)

Installation (ch. 4–7)

Conduit ID ≥ 1.5 × cable OD; bending radii 10–15×OD; underground depth ≥ 0.7 m (1 m roads), sand bed, plates.

Joints and testing (ch. 8–9)

Splicing kits per manufacturer; insulation ≥ 0.5 MΩ for LV lines; protocols.

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Automatic single-line diagrams, PUE/GOST/IEC calculations, specification and PDF — from one model.

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