BS 6704:1987

Foreword
Committees responsible
Section one. General
1 Scope
2 Definitions
3 Mining legislation affecting the use of electricity
4 British mining certification authority
5 Certification standards and other relevant
    specifications
6 Certification of electrical apparatus and systems
Section two. Selection and installation of electrical
                apparatus and systems
7 Selection
8 Installation
Section three. Inspection and test
9 General
10 Inspection
11 Routine inspection
12 Insulation and earth continuity testing
13 Records
Section four. Maintenance and repair
14 General
15 Maintenance work in a hazardous area
16 Maintenance work in a non-hazardous area
17 Cable disconnection
18 Batteries
19 Electrical measuring instrument
20 Repair and overhaul
Section five. Competence of personnel
21 General
22 Education and training of electrical personnel
Appendices
A Mining legislation (referred to in clause 3)
B Characteristics of mining type cables
Tables
1 Cross-sectional area of copper conductors
2 Telephone cable inductance and resistance ratios
    (nominal values)
3 Signalling cable inductance and resistance ratios
    (nominal values)
4 Electrical characteristics of pliable wire armoured
    cables to BS 6708 : 1977 (nominal values)
5 Electrical characteristics of two core SWA cable
    generally in accordance with BS 6346 (nominal
    values)

Includes inspection, test, maintenance and repair, and competence of personnel in respect of safe practice.