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Regulations, Standards
&
Code of Practice
(Chapter 1)
Electrical Installation II
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Introduction


To explain in general terms the significance of various
documents
To understand the meanings of
– ‘Regulations’,
– ‘Code of Practice’, and
– ‘Standards’
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Terminology

Regulation
– A law binding document published by an authority legally
vested with the necessary power.
– e.g. The Electricity (Wiring) Regulations, Chapter 406
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Terminology

Standard
– A technical specification or other document available to the
public aimed at the promotion of optimum community
benefits.
– e.g. The British Standards and the IEC Standards
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Terminology

Code of Practice
– A document providing practical guidance for the design,
manufacture, setting-up, maintenance or utilization of
equipment or installations.
– e.g. the Code of Practice for the Electricity (Wiring)
Regulations
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Electricity (Wiring) Regulations
1990


A legal document drafted by the Electrical &
Mechanical Services Department.
Sets out in statutory form the general and specific
safety requirements for consumers’ fixed electrical
installations, of either low or high voltage.
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Code of Practice for the
Electricity (Wiring) Regulations



Provides technical guidelines to help the electrical
trade comply with the statutory requirements in the
Electricity (Wiring) Regulations.
Some fixed installations are exempted, e.g. MTRC,
KCRC, Government Buildings, etc.
CoP has been conferred upon ‘deemed-to-satisfy’
status.
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IEE Wiring Regulations



Now part of the BS, i.e. BS 7671
An authoritative set of requirements in UK for the
design and installation of electrical system in buildings
Similar status as the CoP in Hong Kong
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British Standards

In Hong Kong, British Standards are among a number
of Standards recognized in the CoP as reference in the
design, construction and manufacture of equipment
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Harmonization Documents &
European Standards

European Committee for Electrotechnical
Standardization (CENELEC)
– Harmonization Documents (HDs)
– European Standards (ENs)
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Guo Biao (GB)

One of the Standards added to the list of recognized
standards in CoP.
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International Electrotechnical
Commission Publications


International Electrotechnical Commission (IEC) is an
international Standards organisation responsible for the
preparation of Standards for electrical equipment
A counterpart of the International Organisation for
Standardisation (ISO)
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Other National Standards

CoP also recognizes several other national Standards,
such as ANSI, JIS, AS, etc.
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Others
For examples,
 Fire Services Ordinance, Fire Services (Installation and
Equipment) Regulations;
 Factories and Industrial Undertakings Ordinance,
 Dangerous Goods Ordinance
 Disability Discrimination Ordinance
- can make reference to Design Manual : Barrier Free Access
1997

Supply Rules (required by HEC and CLP Power)
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Certification Bodies


The CoP requires that all equipment must be designed,
constructed and manufactured to relevant recognized
standards, and so certified by recognized certification
authorities.
For product testing and certification:
– HKAS, HOKLAS, or equivalence

For short-circuit testing:
– KEMA, ASTA, or equivalence
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Fundamental Safety
Requirements

SAFETY is the keyword
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