Internationally there has been steady progress towards the harmonisation of electrical wiring standards. European standards are based on the international IEC 364 under the umbrella of Harmonisation Document HD 384. The format of these is reflected in the ETCI national rules ET 101: 2008 and the UK IEE wiring regulations BS 7671:2008.
This workshop is designed to provide up to date information and training on the current edition of National Rules ET 101: 2008. It will consist of in-depth teaching on all aspects of the national rules and their application with many practical examples and sample design calculations. The workshop includes references to safety, maintenance, inspection and testing. In addition, it provides a summary of some of the basic principles necessary for a good understanding of electrical installation technology.
MORE INFORMATION: http://www.idc-online.com/content/practical-electrical-wiring-standards-national-rules-electrical-installations-et-1012008-2
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Practical Electrical Wiring Standards - National Rules for Electrical Installations - ET 101:2008
1. Practical Electrical Wiring Standards โ
National Rules for Electrical Installations โ
ET 101:2008
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2. Course Contents
โข Overview of the Rules
โข Evolution of electrical distribution systems
โข System earthing and protective earthing basics
โข Planning of electrical systems
โข Electrical safety
โข Selection and erection of electrical equipment
โข Installations in special locations
โข Inspection and testing of installations
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3. Need for Standards
To ensure proper interfacing between equipment and
systems designed/ manufactured/installed by different
agencies. Standards contain stipulations on:
โข Sockets, connectors and other connection interfaces used in
equipment's to ensure proper matching
โข Voltage and Frequency parameters and permissible variations
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4. Need for Standards
To ensure manufacturing/Installation quality by
defining :
โข Functionality
โข Safety
โข Maintainability
โข Ratings and applicable conditions
โข Tests to be done to verify the above
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5. Installations Covered
The Rules cover installations in:
ยท Industrial, commercial, residential,
agricultural/horticultural premises
ยท Prefabricated buildings and caravans
ยท Temporary installations such as those encountered in
construction sites, exhibitions, fairs etc.
ยท Outdoor installations
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6. Scope of the Rules
The Rules cover the following:
ยท Circuits supplied at nominal voltage up to and including
1000 V AC or 1500 V DC
ยท Circuits of over 1000 V AC when derived from an
installation of less than 1000 V AC
ยท Wiring and cabling systems
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7. Scope of the Rules
ยท All consumer installations external to the building
ยท All fixed and External wiring requirements for
communication and information technology systems
ยท Additions and alterations to existing installations
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8. Exclusions
The Rules exclude:
ยท Public or private supply systems for the distribution of
electricity to consumers
ยท Railway traction, rolling stock and signaling systems
ยท Motor vehicles and equipment on board ships, off shore
installations and aircraft
ยท Mines and Quarry equipment covered by other
statutory regulations
ยท Lightning protection installations on buildings
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9. Legal Framework
โข All work activity is governed in law by The Safety
Health and Welfare Act 1989
โข Specific requirements under General Application
Regulations of 1993 (Next slide)
โข Part VIII of the Regulations deals with Electricity
โข ETCI National Rules elaborate the requirements for
complying with the Regulations
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10. General Application Regulations of 1993
โข Part I Interpretation and General
โข Part II General Safety and Health Provisions
โข Part III Workplace
โข Part IV Use of Work Equipment
โข Part V Provision of Personal Protective Equipment
โข Part VI Manual Handling of Loads
โข Part VII Work with Display Screen Equipment
โข Part VIII Electricity
โข Part IX First Aid
โข Part X Notification of Accidents and Dangerous
Occurrences
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11. Important Regulations in Part VIII
โข Reg. 35: Duty of Employers to comply with Part
VIII and any relevant code of practice
โข Reg. 36: Prevention of danger in electrical
installations
โข Reg. 41: RCD protection for portable equipment
and socket outlets
โข Reg. 45: Precautions against danger arising
from electrical equipment,
โข Reg. 46: Work activity on or near any live part
โข Reg. 48: Persons to be competent to prevent
danger
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12. Fundamental Principles
โข Ensuring safety against direct and indirect shocks, thermal effects,
over current, fault current and over voltage
โข Aspects that need to be considered in the design
โข Selection of electrical equipment in order to suit the supply
parameters
โข Erection of equipment so as to ensure safety in operation and
maintenance
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13. Contents of ET-101
Part 1: Scope, Object and Fundamental
Principles
Part 2: Definitions
Part 3: Assessment of General characteristics
Part 4: Protection for Safety
Part 5: Selection and Erection of Equipment
Part 6: Inspection and Testing
Part 7: Special installations or locations
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14. Organization of ET 101
Part 1: Scope, Object and Fundamental Principles
Part 3: Part 4: Part 5: Part 6: Part 7:
Assessment of
Protection
Selection and
Inspection
General
for Safety
Erection of
and
Characteristics
Equipment
Testing
Special
installations
or locations
Part 2: Definitions
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15. Other relevant materials
โข There are Annexes to ET 101 Rules
โข Annex names include the chapter numbers of the Rules to
which they pertain
โข There are also other related National Rules (Ex: ET 105
and ET 106) applicable for specific installations
โข ET Codes of practices and guides also provide useful
guidelines
โ (For details refer to manual)
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16. Harmonised Standard
A Harmonised Standard is one which has been drawn up
by common agreement between national standards bodies
notified to the European Commission by all member
states and published under national procedures
โ ET 101 Rules are based on IEC 60364 and Cenelec
60364.
โ There is no intention at this time of harmonising Cenelec
60364
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17. DO YOU WANT TO KNOW MORE?
If you are interested in further training or information,
please visit:
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