{"id":454176,"date":"2024-10-20T09:34:06","date_gmt":"2024-10-20T09:34:06","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-79092023a12024\/"},"modified":"2024-10-26T17:45:53","modified_gmt":"2024-10-26T17:45:53","slug":"bs-79092023a12024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-79092023a12024\/","title":{"rendered":"BS 7909:2023+A1:2024"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
7<\/td>\nForeword <\/td>\n<\/tr>\n
9<\/td>\n0\t Introduction
1 Scope <\/td>\n<\/tr>\n
10<\/td>\n2 Normative references <\/td>\n<\/tr>\n
11<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
20<\/td>\n4 Management of an event and supply of equipment for temporary electrical systems
4.1 Management of the event <\/td>\n<\/tr>\n
21<\/td>\n4.2 Outlining the parameters of the event
4.3 Responsibility for the temporary electrical system(s) <\/td>\n<\/tr>\n
22<\/td>\n4.4 Early planning
4.5 Provision of equipment
\t4.5.1\tSupply of equipment for events <\/td>\n<\/tr>\n
23<\/td>\n\t4.5.2\tResponsibilities of owners or suppliers of equipment
5 Small\/simple events and activities requiring up to 6 kVA
5.1 General <\/td>\n<\/tr>\n
24<\/td>\n5.2 Person responsible
5.3 Planning the small\/simple temporary electrical system <\/td>\n<\/tr>\n
25<\/td>\n5.4 Risk assessments
5.5 Supplying and checking equipment
5.6 Setting-up a small\/simple temporary electrical system <\/td>\n<\/tr>\n
26<\/td>\n5.7 Changes to the system
5.8 Leaving the system unattended
5.8.1 General
5.8.2 Person responsible leaving the system
5.9 Removing the system
5.10 Problems with the installed electrical system <\/td>\n<\/tr>\n
27<\/td>\n6 Large\/complex events and activities requiring in excess of 6 kVA
6.1 Responsibility
6.1.1 Person responsible
6.1.2 Allocation of responsibility <\/td>\n<\/tr>\n
28<\/td>\n6.1.3 Principle responsibilities
6.1.3.1\t General
6.1.3.2\t System design
6.1.3.3\t Site work <\/td>\n<\/tr>\n
29<\/td>\n6.1.3.4\t Inspection, testing and certification
6.1.3.5\t Operation
6.1.3.6\t Removal of equipment <\/td>\n<\/tr>\n
30<\/td>\n6.2 Electrical supply
6.2.1 Supplies required
6.2.2 Electrical supplies from installed sources <\/td>\n<\/tr>\n
31<\/td>\n6.3 Risk assessments
6.4 Equipment
6.4.1 General
6.4.2 Specialist equipment
6.4.3 Specific electrical requirements <\/td>\n<\/tr>\n
32<\/td>\n6.5 Crew
7 Design and instructions for temporary electrical systems
7.1 Design
7.1.1 General
7.1.2 Principles of the temporary distribution <\/td>\n<\/tr>\n
33<\/td>\n7.2 Electrical supplies
7.2.1 Source of supply
7.2.2 Generators as a source of supply <\/td>\n<\/tr>\n
34<\/td>\n7.2.3 Responsibility for connection to a supply
7.3 Cables and connectors
7.3.1 General <\/td>\n<\/tr>\n
35<\/td>\n7.3.2 Identification of conductors and single-pole connectors
7.3.3 Cables
Table 1\u00a0\u2014\u00a0Marking of conductors and single-pole connectors <\/td>\n<\/tr>\n
36<\/td>\n7.3.4 Connectors
7.3.4.1\t General <\/td>\n<\/tr>\n
37<\/td>\n7.3.4.2\t Single-pole connectors
Table 2\u00a0\u2014\u00a0Connector types <\/td>\n<\/tr>\n
38<\/td>\n7.3.4.3\t Connections
7.3.4.4\t Connection to busbars
7.3.4.5\t Multipole connectors
7.4 Earthing and protective bonding
7.4.1 General
7.4.2 Generator earthing
7.4.2.1\t General <\/td>\n<\/tr>\n
39<\/td>\n7.4.2.2\t Generator earthing required
7.4.2.3\t Generator earthing not required (IN-S) <\/td>\n<\/tr>\n
40<\/td>\n7.4.2.4\t TN-C-S or PME supplies and mobile and transportable units
7.4.3 Interconnection of earthing systems <\/td>\n<\/tr>\n
41<\/td>\n7.4.4 Protective bonding
7.5 Overcurrent protection for temporary systems
7.6 RCDs in temporary systems <\/td>\n<\/tr>\n
43<\/td>\n7.7 Surge protective devices (SPDs)
7.7.1 Requirement for SPDs
7.7.2 Where SPDs are installed <\/td>\n<\/tr>\n
44<\/td>\n7.7.3 Testing of systems with SPDs
7.8 Equipment forming the temporary electrical system
Table 3\u00a0\u2014\u00a0 Minimum IP protection (with all covers in place) <\/td>\n<\/tr>\n
45<\/td>\n7.9 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 <\/td>\n<\/tr>\n
46<\/td>\n7.14 Safety systems
7.14.1 Communications systems
7.14.2 Supplies for safety services
7.14.3 Warning signs
7.15 Weather conditions
7.16 Removal of temporary electrical systems
7.17Electrical energy storage systems and hybrid generators for the provision of low voltage AC supplies
7.17.1 General <\/td>\n<\/tr>\n
47<\/td>\n7.17.2 System design
7.17.3 Energy sources
7.17.4 Provision of information <\/td>\n<\/tr>\n
48<\/td>\n7.17.5 Performance characteristics
8 Work on site
8.1 General <\/td>\n<\/tr>\n
49<\/td>\n8.2 Responsibilities
8.3 Design assessment
8.4 Equipment assessment
8.4.1 General
8.4.2 Test and identification before delivery
8.4.3 Inspection of equipment on site
8.5 Live working
8.6 Connection to power supplies
8.6.1 General <\/td>\n<\/tr>\n
50<\/td>\n8.6.2 Verification of supplies
8.6.3 Connection using plugs and sockets
8.6.4 Connection using single-pole connectors
8.6.5 Connection using open-tails
8.6.6 Connection to supplies obtained from busbars
8.6.7 Isolation and switching
8.7 Fundamental checks
8.7.1 Polarity check
8.7.2 Phase-sequence <\/td>\n<\/tr>\n
51<\/td>\n8.7.3 Earth fault loop impedance
8.7.4 RCDs
8.7.5 Neutral\/earth indication
8.7.6 Protective earthing and bonding arrangements
8.8 Protection against damage and interference
8.8.1 Cables <\/td>\n<\/tr>\n
52<\/td>\n8.8.2 Switchgear, distribution units and other equipment <\/td>\n<\/tr>\n
53<\/td>\n8.9 Safe working practice
8.9.1 Identification and isolation of circuits
8.9.2 Knowledge of site emergency procedures
8.9.3 Unattended system
8.9.4 Access covers <\/td>\n<\/tr>\n
54<\/td>\n8.9.5 Faulty equipment
8.9.6 Working, safety and emergency lighting
8.9.7 Hand-held mains-powered equipment
8.9.8 Overriding RCDs
8.10 Communications
8.11 Weather conditions on site <\/td>\n<\/tr>\n
55<\/td>\n8.12 Hazardous sites
8.13 Medical areas or locations
8.14 Agricultural areas <\/td>\n<\/tr>\n
56<\/td>\n8.15 Signs and warning notices
8.16 Removal of temporary electrical systems after use
9 Inspection and testing
9.1 General
9.2 Person responsible
9.3 Records, results and certificates
9.3.1 Initial verification <\/td>\n<\/tr>\n
57<\/td>\n9.3.2 In-service inspection and testing
9.4 Test and identification of equipment before delivery
9.5 Electrical systems brought by facilities providers
9.6 Supplies to facilities providers <\/td>\n<\/tr>\n
58<\/td>\n9.7 Visual inspection
9.8 Tests
9.8.1 General <\/td>\n<\/tr>\n
59<\/td>\n9.8.2 Equipment tests prior to arrival on site
9.8.3 System tests on site <\/td>\n<\/tr>\n
60<\/td>\n9.8.4 RCD setting and checking
9.9 Onsite assembly or modification
9.9.1 Units assembled on site
9.9.2 Equipment repaired or modified on site
10 Operational procedures
10.1 Competent person present
10.2 Regular inspection
10.3 Supervision of temporary systems for safety <\/td>\n<\/tr>\n
61<\/td>\n10.4 Site security
10.5 Site emergency services or procedures
10.6 Non-load making and breaking connectors
10.7 RCD Override
11 Additional considerations
11.1 Protection against lightning <\/td>\n<\/tr>\n
62<\/td>\n11.2 Discharge of static electricity <\/td>\n<\/tr>\n
63<\/td>\nAnnex A (normative) Construction of distribution equipment or switchgear for temporary systems
A.1\t General
A.2\t Construction <\/td>\n<\/tr>\n
64<\/td>\nA.3\t Electrical construction
A.4\t Single-pole connector-cable combinations <\/td>\n<\/tr>\n
65<\/td>\nAnnex\u00a0B (informative) Distribution equipment functionality
B.1\t Intake switch unit (ISU) <\/td>\n<\/tr>\n
66<\/td>\nB.2\t Central distribution unit (CDU) <\/td>\n<\/tr>\n
67<\/td>\nB.3\t Cable splitter unit (CSU)
B.4\t Final distribution unit (FDU)
B.5\t Current-using equipment
B.6\t Indicator lamps and polarity verification devices <\/td>\n<\/tr>\n
68<\/td>\nTable B.1\u00a0\u2014\u00a0Indicator colours
B.7\t Labels
Annex\u00a0C (informative) Earthing arrangements and temporary systems
C.1\t General <\/td>\n<\/tr>\n
69<\/td>\nC.2\t Electrical environment <\/td>\n<\/tr>\n
70<\/td>\nC.3\t Earthing arrangements
C.4\t Installed sources of supply and earthing arrangements
C.4.1\t General <\/td>\n<\/tr>\n
71<\/td>\nC.4.2\t TN-S and permanent systems
C.4.3\t TN-C-S
C.4.3.1\t General
C.4.3.2\t Open circuit PEN (PEN failure) in the distribution provided by the DSO <\/td>\n<\/tr>\n
72<\/td>\nC.4.3.3\t Earthed signal cables and PME supplies <\/td>\n<\/tr>\n
73<\/td>\nC.4.3.4\t TN-C-S as installed in domestic and smaller commercial, industrial and similar premises
C.4.3.5\t TN-C-S as installed in larger commercial, industrial, public and sports premises
C.4.3.6\t TN-C-S and temporary systems extending the supply outside the electrical environment of the installed source
C.4.3.6.1\t TN-C-S source as described in C.4.3.3
C.4.3.6.2\t TN-C-S source as described in C.4.3.4
C.4.3.6.3\t TN-C-S source supplying a mobile or transportable unit
C.4.3.6.4\t TN-C-S source, supplementary earth electrode for the temporary system <\/td>\n<\/tr>\n
74<\/td>\nC.4.3.6.5\t TN-C-S source, used in TT form
C.4.4\t TT
C.4.5\t IT <\/td>\n<\/tr>\n
75<\/td>\nC.5\t Generators as sources of supply and earthing arrangements
C.5.1\t General
C.5.2\t Generated output that is not associated with another electrical environment
C.5.3\t Generated output that is associated with or enters another electrical environment
C.5.3.1\t Generator outdoors supplying equipment within a building
C.5.3.1.1\t General
C.5.3.1.2\t Installed system is of TN-S or TT form <\/td>\n<\/tr>\n
76<\/td>\nC.5.3.1.3\t Installed system is or is assumed to be TN-C-S
C.5.3.2\t Generator outdoors supplying equipment outdoors that is connected through earthed signal cables to equipment supplied from the installed system
C.5.3.2.1\t General
C.5.3.2.2\t Installed system is of TN-S or TT form
C.5.3.2.3\t Installed system is of TN-C-S or assumed to be TN-C-S in form
C.5.3.3\t Generator outdoors supplying equipment outdoors associated with other equipment outdoors that is supplied from the installed system of an adjacent building
C.5.3.3.1\t Installed system is of TN-S or TT form <\/td>\n<\/tr>\n
77<\/td>\nC.5.3.3.2\t Installed system is of TN-C-S or assumed to be TN-C-S in form
C.5.3.4\t Generator acting as an alternative to, or an augmenting supply to, an installed electrical system
C.5.4\t Additional information about earthing generators
C.6\t Earth electrodes used in a temporary system
C.6.1\t General <\/td>\n<\/tr>\n
78<\/td>\nC.6.2\t Effective connection to the general mass of Earth
C.6.3\t Supplementary connection to the general mass of Earth
Annex\u00a0D (informative) Possible arrangements for temporary electrical systems
D.1\t General <\/td>\n<\/tr>\n
79<\/td>\nD.2\t Use of expressions
D.2.1\t Touch voltages
D.2.2\t Earth <\/td>\n<\/tr>\n
80<\/td>\nFigure D.1\u00a0\u2014\u00a0Temporary electrical system: typical event\/theatre\/concert arrangements <\/td>\n<\/tr>\n
81<\/td>\nFigure D.2\u00a0\u2014 Temporary electrical system: typical film\/TV location <\/td>\n<\/tr>\n
82<\/td>\nFigure D.3\u00a0\u2014\u00a0Temporary electrical system: typical major event or festival <\/td>\n<\/tr>\n
83<\/td>\nD.3\t Temporary electrical system for a typical event, theatre or concert arrangement
D.4\t Temporary electrical system for a typical film\/TV location <\/td>\n<\/tr>\n
86<\/td>\nD.5\t Temporary electrical system for a typical major event or festival <\/td>\n<\/tr>\n
88<\/td>\nD.6\t Conditions with a fault present
Annex\u00a0E (informative) Residual current devices (RCDs): selection and use
E.1\t What is an RCD and what does it do?
E.2\t Types of RCDs
E.2.1\t General <\/td>\n<\/tr>\n
89<\/td>\nTable\u00a0E.1\u00a0\u2014 Types of RCDs
E.2.2\t RCD type AC, A, B and F <\/td>\n<\/tr>\n
90<\/td>\nTable E.2\u00a0\u2014 Fault currents <\/td>\n<\/tr>\n
91<\/td>\nTable E.3\u00a0\u2014 RCD symbols
E.2.3\t Older installations with ELCBs
E.2.4\t Recognized standards for RCDs <\/td>\n<\/tr>\n
92<\/td>\nTable E.4\u00a0\u2014 RCD standards
E.2.5\t Characteristics of RCDs
E.2.6\t Auto-reclosing RCDs and residual current monitors
E.2.7\t RCD use outside of the UK <\/td>\n<\/tr>\n
93<\/td>\nE.3\t Applications
E.3.1\t General
Table E.5\u00a0\u2014 RCD applications <\/td>\n<\/tr>\n
94<\/td>\nE.3.2\t Unwanted operation
E.3.3\t Selectivity
E.4\t Testing
E.4.1\t General
E.4.2\t Range of tests <\/td>\n<\/tr>\n
95<\/td>\nTable E.6\u00a0\u2014 Test criteria
E.4.3\t Test button (T button)
E.5\t Test instrument
E.6\t Measuring earth fault loop impedance on a circuit with RCD protection <\/td>\n<\/tr>\n
96<\/td>\nAnnex\u00a0F(informative)Supplies provided for temporary distributions at venues
F.1\t Principal issues related to temporary distributions
F.2\t Installed source of supply for temporary distribution at venues
F.2.1\t General
F.2.2\t Venue representative <\/td>\n<\/tr>\n
97<\/td>\nF.2.3\t Earthing arrangement
F.2.4\t Conductors supplying the point of connection for temporary distributions
F.2.5\t Method of connection to a venue\u2019s installed source
F.2.5.1\t General
F.2.5.2\t Switched fuse as the means of connection
F.2.5.3\t Connectors as the means of connection <\/td>\n<\/tr>\n
98<\/td>\nF.2.5.4\t Circuit protective devices
F.2.5.5\t Additional earth terminal for temporary distributions
Figure F.1\u00a0\u2014 Typical section of a keyed single-pole connector (KSPC) <\/td>\n<\/tr>\n
99<\/td>\nF.3\t Information and labelling of points of connection for the temporary distribution
Figure F.2\u00a0\u2014 Example of label for sources of supply
F.4\t Power rating versus circuit-breaker and RCD rating <\/td>\n<\/tr>\n
100<\/td>\nTable F.1\u00a0\u2014\u00a0Connectors, circuit-breaker and RCD ratings at the venue
Annex G (normative) Inspection, testing and certification
G.1\t General <\/td>\n<\/tr>\n
101<\/td>\nG.2\t Small\/simple temporary electrical systems
G.2.1\t Inspecting and testing of the source of supply
G.2.2\t Inspection of equipment forming the temporary electrical system
G.2.3\t Inspection of a completed temporary electrical system
G.2.4\t Testing the temporary electrical system and RCDs
G.2.5\t Documentation
G.3\t Large\/complex temporary electrical systems <\/td>\n<\/tr>\n
102<\/td>\nG.3.1\t Duration of the temporary electrical system
G.3.1.1\t General
G.3.1.2\t Short duration temporary systems
G.3.1.3\t Long duration temporary systems
G.3.1.4\t Existence of temporary systems extended for longer than planned
G.3.1.5\t Temporary systems associated with touring events <\/td>\n<\/tr>\n
103<\/td>\nG.3.2\t Details of the source of supply
G.3.3\t Inspection and testing of the source of supply
G.3.4\t Inspection of equipment forming the temporary electrical system
G.3.5\t Inspection of a temporary electrical distribution <\/td>\n<\/tr>\n
104<\/td>\nG.3.6\t Testing the temporary electrical distribution
G.3.7\t Testing RCDs and setting adjustable RCDs
G.3.8\t Documentation <\/td>\n<\/tr>\n
107<\/td>\nFigure G.1\u00a0\u2014 Model completion certificate <\/td>\n<\/tr>\n
109<\/td>\nFigure G.2\u00a0\u2014\u00a0Model Schedule of Circuit Details and Test Results <\/td>\n<\/tr>\n
110<\/td>\nFigure G.3\u00a0\u2014\u00a0Model confirmation of electrical completion <\/td>\n<\/tr>\n
111<\/td>\nAnnex\u00a0H (informative) Multi-pole connectors used for lighting and other applications
H.1\t General
H.2\t Extension cables
H.3\t Fan-in adaptors (male spiders)
H.3.1\t Rectangular 16 pin type
H.3.2\t Circular 19 pin type <\/td>\n<\/tr>\n
112<\/td>\nH.4\t Source equipment and distribution panels
H.5\t Type jumpers
H.6\t Fan-out adaptors (female spiders, stage boxes, internally wired bars)
H.7\t Sequencing reversing adaptors
H.8\t 16-pole rectangular connector systems <\/td>\n<\/tr>\n
113<\/td>\nTable H.1\u00a0\u2014 Rectangular 16-pole connector wiring configurations
Table H.2\u00a0\u2014 Common rectangular 16-pole connector wiring configuration by country and manufacturer <\/td>\n<\/tr>\n
114<\/td>\nH.9\t 19-pole circular connector systems
Table H.3\u00a0\u2014 Circular 19-pole connector wiring configurations <\/td>\n<\/tr>\n
115<\/td>\nTable H.4\u00a0\u2014 Common circular 19-pole connector wiring configuration by country and manufacturer
H.10\t Overseas touring with multicores
H.11\t 32\u00a0A Seven pin three-circuit connector
Figure\u00a0H.1\u00a0\u2014\u00a0 Seven pin three-circuit connector <\/td>\n<\/tr>\n
116<\/td>\nTable H.5\u00a0\u2014\u00a0Seven pin three-circuit connector
Annex\u00a0I (informative) Power quality in electrical systems <\/td>\n<\/tr>\n
118<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Temporary electrical systems for entertainment and related purposes. Code of practice<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2024<\/td>\n120<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":454187,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1350,2641],"product_tag":[],"class_list":{"0":"post-454176","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-97-200-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/454176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/454187"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=454176"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=454176"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=454176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}