PUE 7, Section 1.1 General part — clause by clause

PUE section 1.1: terms (1.1.3–1.1.9), mandatory design (1.1.4), room classification by hazard (1.1.17).

Document

Document	PUE 7, Section 1.1 General part
Edition	2002 (ПУЭ-7, разд. 1.1)
Status	Current
Issued by	Ministry of Energy of Russia
Applies to	General rules for electrical installations: terms, room classes, general requirements

Document structure

№	Chapter / section
1.1.1–1.1.9	Scope, definitions
1.1.10–1.1.16	General requirements
1.1.17–1.1.19	Classification of rooms

Scope and terms (1.1.1–1.1.9)

1.1.1 Applies to new and reconstructed installations up to 750 kV.

1.1.3 Electrical installation — machines, apparatus, lines and auxiliary equipment.

General (1.1.10–1.1.16)

1.1.16 Equipment selected by environment: humidity, temperature, dust, chemicals.

Room classes (1.1.17)

Dry rooms (no increased hazard); rooms with increased hazard (damp, hot >35 °C, conductive floors, kitchens, basements); particularly hazardous (very damp ~100%, chemically active, bathrooms, garages, laundries).

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