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eLibrary > BS 7909:2023 - TC Tracked Changes. Temporary electrical systems for entertainment and related purposes. Code of practice >

BS 7909:2023 - TC Tracked Changes. Temporary electrical systems for entertainment and related purposes. Code of practice, 2023

Tracked_Changes_Cover_Markup_new.pdf [Go to Page]
compares BS 7909:2023 [Go to Page]
TRACKED CHANGES
Text example 1 — indicates added text (in green)
30440325.pdf [Go to Page]
Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Management of an event and supply of equipment for temporary electrical systems [Go to Page]
4.1 Management of the event
4.2 Outlining the parameters of the event
4.3 Responsibility for the temporary electrical system(s)
4.4 Early planning
4.5 Provision of equipment
5 Small/simple events and activities requiring up to 6 kVA [Go to Page]
5.1 General
5.2 Person responsible
5.3 Planning the small/simple temporary electrical system
5.4 Risk assessments
5.5 Supplying and checking equipment
5.6 Setting‑up a small/simple temporary electrical system
5.7 Changes to the system
5.8 Leaving the system unattended
5.9 Removing the system
5.10 Problems with the installed electrical system
6 Large/complex events and activities requiring in excess of 6 kVA [Go to Page]
6.1 Responsibility
6.2 Electrical supply
6.3 Risk assessments
6.4 Equipment
6.5 Crew
7 Design and instructions for temporary electrical systems [Go to Page]
7.1 Design
7.2 Electrical supplies
7.3 Cables and connectors
Table 1 — Marking of conductors and single-pole connectors
Table 2 — Connector types
7.4 Earthing and protective bonding
7.5 Overcurrent protection for temporary systems
7.6 RCDs in temporary systems
7.7 Surge protective devices (SPDs)
7.8 Equipment forming the temporary electrical system
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
7.12 Sub-systems for associated services
7.13 Protection against unauthorized use
7.14 Safety systems
7.15 Weather conditions
7.16 Removal of temporary electrical systems
7.17 Electrical energy storage systems and hybrid generators for the provision of low voltage AC supplies
8 Work on site [Go to Page]
8.1 General
8.2 Responsibilities
8.3 Design assessment
8.4 Equipment assessment
8.5 Live working
8.6 Connection to power supplies
8.7 Fundamental checks
8.8 Protection against damage and interference
8.9 Safe working practice
8.10 Communications
8.11 Weather conditions on site
8.12 Hazardous sites
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 [Go to Page]
9.1 General
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
9.6 Supplies to facilities providers
9.7 Visual inspection
9.8 Tests
9.9 Onsite assembly or modification
10 Operational procedures [Go to Page]
10.1 Competent person present
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
11 Additional considerations [Go to Page]
11.1 Protection against lightning
11.2 Discharge of static electricity
Annex A (normative) Construction of distribution equipment or switchgear for temporary systems
Annex B (informative) Distribution equipment functionality [Go to Page]
Table B.1 — Indicator colours
Annex C (informative) Earthing arrangements and temporary systems
Annex D (informative) Possible arrangements for temporary electrical systems [Go to Page]
Figure D.1 — Temporary electrical system: typical event/theatre/concert arrangements
Figure D.2 — Temporary electrical system: typical film/tv location
Figure D.3 — Temporary electrical system: typical major event or festival
Annex E (informative) Residual current devices (RCDs): selection and use [Go to Page]
Table E.1 — Types of RCDs
Table E.2 — Fault currents
Table E.3 — RCD symbols
Table E.4 — RCD standards
Table E.5 — RCD applications
Table E.6 — Test criteria
Annex F (informative) Supplies provided for temporary distributions at venues [Go to Page]
Figure F.1 — Typical section of a keyed single-pole connector (KSPC)
Figure F.2 — Example of label for sources of supply
Table F.1 — Connectors, circuit-breaker and RCD ratings at the venue
Annex G (normative) Inspection, testing and certification [Go to Page]
Figure G.1 — Model completion certificate
Figure G.2 — Model Schedule of Circuit Details and Test Results
Figure G.3 — Model confirmation of electrical completion
Annex H (informative) Multi-pole connectors used for lighting and other applications [Go to Page]
Table H.1 — Rectangular 16-pole connector wiring configurations
Table H.2 — Common rectangular 16-pole connector wiring configuration by country and manufacturer
Table H.3 — Circular 19-pole connector wiring configurations
Table H.4 — Common circular 19-pole connector wiring configuration by country and manufacturer
Figure H.1 — Seven pin three-circuit connector
Table H.5 — Seven pin three-circuit connector
Bibliography [Go to Page]

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