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BS 7909:2023 – TC

BS 7909:2023 – TC

$147.97

Tracked Changes. Temporary electrical systems for entertainment and related purposes. Code of practice

Published By Publication Date Number of Pages
BSI 2023 262
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PDF Catalog

PDF Pages PDF Title
1 compares BS 7909:2023
2 TRACKED CHANGES
Text example 1 — indicates added text (in green)
148 Foreword
151 0 Introduction
1 Scope
152 2 Normative references
153 3 Terms and definitions
162 4 Management of an event and supply of equipment for temporary electrical systems
4.1 Management of the event
163 4.2 Outlining the parameters of the event
4.3 Responsibility for the temporary electrical system(s)
164 4.4 Early planning
4.5 Provision of equipment
165 5 Small/simple events and activities requiring up to 6 kVA
5.1 General
166 5.2 Person responsible
5.3 Planning the small/simple temporary electrical system
167 5.4 Risk assessments
5.5 Supplying and checking equipment
5.6 Setting‑up a small/simple temporary electrical system
168 5.7 Changes to the system
5.8 Leaving the system unattended
5.9 Removing the system
169 5.10 Problems with the installed electrical system
6 Large/complex events and activities requiring in excess of 6 kVA
6.1 Responsibility
172 6.2 Electrical supply
173 6.3 Risk assessments
174 6.4 Equipment
6.5 Crew
7 Design and instructions for temporary electrical systems
7.1 Design
175 7.2 Electrical supplies
176 7.3 Cables and connectors
178 Table 1 — Marking of conductors and single-pole connectors
180 Table 2 — Connector types
181 7.4 Earthing and protective bonding
184 7.5 Overcurrent protection for temporary systems
185 7.6 RCDs in temporary systems
186 7.7 Surge protective devices (SPDs)
187 7.8 Equipment forming the temporary electrical system
188 Table 3 — Minimum IP protection (with all covers in place)
7.9 Machinery
7.10 Luminaires
7.11 Electronic equipment used for control and power-processing
189 7.12 Sub-systems for associated services
7.13 Protection against unauthorized use
7.14 Safety systems
7.15 Weather conditions
190 7.16 Removal of temporary electrical systems
7.17 Electrical energy storage systems and hybrid generators for the provision of low voltage AC supplies
192 8 Work on site
8.1 General
8.2 Responsibilities
8.3 Design assessment
8.4 Equipment assessment
193 8.5 Live working
8.6 Connection to power supplies
194 8.7 Fundamental checks
195 8.8 Protection against damage and interference
196 8.9 Safe working practice
198 8.10 Communications
8.11 Weather conditions on site
8.12 Hazardous sites
199 8.13 Medical areas or locations
8.14 Agricultural areas
8.15 Signs and warning notices
8.16 Removal of temporary electrical systems after use
9 Inspection and testing
9.1 General
200 9.2 Person responsible
9.3 Records, results and certificates
9.4 Test and identification of equipment before delivery
9.5 Electrical systems brought by facilities providers
201 9.6 Supplies to facilities providers
9.7 Visual inspection
202 9.8 Tests
203 9.9 Onsite assembly or modification
10 Operational procedures
10.1 Competent person present
204 10.2 Regular inspection
10.3 Supervision of temporary systems for safety
10.4 Site security
10.5 Site emergency services or procedures
10.6 Non‑load making and breaking connectors
10.7 RCD Override
205 11 Additional considerations
11.1 Protection against lightning
11.2 Discharge of static electricity
206 Annex A (normative)  Construction of distribution equipment or switchgear for temporary systems
208 Annex B (informative)  Distribution equipment functionality
211 Table B.1 — Indicator colours
212 Annex C (informative)  Earthing arrangements and temporary systems
222 Annex D (informative)  Possible arrangements for temporary electrical systems
223 Figure D.1 — Temporary electrical system: typical event/theatre/concert arrangements
224 Figure D.2 — Temporary electrical system: typical film/tv location
225 Figure D.3 — Temporary electrical system: typical major event or festival
231 Annex E (informative)  Residual current devices (RCDs): selection and use
232 Table E.1 — Types of RCDs
233 Table E.2 — Fault currents
234 Table E.3 — RCD symbols
235 Table E.4 — RCD standards
236 Table E.5 — RCD applications
238 Table E.6 — Test criteria
239 Annex F (informative)  Supplies provided for temporary distributions at venues
241 Figure F.1 — Typical section of a keyed single-pole connector (KSPC)
242 Figure F.2 — Example of label for sources of supply
243 Table F.1 — Connectors, circuit-breaker and RCD ratings at the venue
Annex G (normative)  Inspection, testing and certification
250 Figure G.1 — Model completion certificate
252 Figure G.2 — Model Schedule of Circuit Details and Test Results
253 Figure G.3 — Model confirmation of electrical completion
254 Annex H (informative)  Multi-pole connectors used for lighting and other applications
256 Table H.1 — Rectangular 16-pole connector wiring configurations
Table H.2 — Common rectangular 16-pole connector wiring configuration by country and manufacturer
257 Table H.3 — Circular 19-pole connector wiring configurations
Table H.4 — Common circular 19-pole connector wiring configuration by country and manufacturer
258 Figure H.1 — Seven pin three-circuit connector
Table H.5 — Seven pin three-circuit connector
259 Bibliography

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BS 7909:2023 - TC
$147.97