The main Russian code of practice SP 256: protection measures, bathroom zones 0–3, 30/10 mA RCDs, sockets, lightning protection. IEC 60364-based.
| Document | SP 256.1325800.2016 Electrical installations of buildings (Russia) |
| Edition | 2016 |
| Status | Current (SP 256.1325800.2016) |
| Issued by | Ministry of Construction of Russia |
| Applies to | Electrical design of residential and public buildings: protection, bathroom zones, RCDs, lightning |
| № | Chapter / section |
|---|---|
| 4 | General |
| 5 | Power supply |
| 7 | LV installations |
| 7.3 | Protection, RCDs, bonding |
| 7.4 | Bathrooms: zones 0–3 |
| 10 | Lightning protection |
SP 256.1325800.2016 — the main Russian code for building electrical installations, based on IEC 60364 (via GOST R 50571). Used together with PUE.
7.1 TN-S/TN-C-S for buildings; PEN split at the intake.
7.2 Automatic disconnection, double insulation, SELV; 0.4 s.
7.3 30 mA RCDs for dwelling socket circuits; fire RCD 100–300 mA; bonding.
Zones 0–3 (per IEC 60364-7-701): 0 — bath volume; 1 — to 2.25 m; 2 — 0.6 m around; 3 — 2.4 m around. SELV in zones 0–1; sockets outside zones 0–2 (zone 3 with 30 mA RCD); IPX4/IPX7 luminaires; supplementary bonding.
Height 0.3–1.0 m; kitchen ≥ 4 sockets; bathroom sockets on 10–30 mA RCD; all sockets with PE contact.
Automatic single-line diagrams, PUE/GOST/IEC calculations, specification and PDF — from one model.
Start freeData is for reference. Final design decisions must follow current regulations and a qualified engineer.
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