NZQA registered unit standard
28885 version 1
Page 1 of 6
Title
Demonstrate and apply knowledge of electrical legislation,
regulations and codes of practice for substation maintenance
Level
4
Purpose
Credits
8
People credited with this- unit standard are able to demonstrate
knowledge of: regulatory requirements of earthing in electricity
supply substations; electrical bonding in an electricity supply
substation; the Electricity Act 1992 and the Electricity (Safety)
Regulations 2010, including any subsequent amendments;
codes of practice and requirement; and the testing and
verification requirements of AS/NZS 3000.
This unit standard partially fulfils the requirements for
registration for substation maintainers with the Electrical
Workers Registration Board (EWRB).
Classification
Electricity Supply > Electricity Supply - Core Skills
Available grade
Achieved
Explanatory notes
1
This unit standard is intended for assessment off-job. The range statements and
evidence requirements across the unit standard can be applied according to industry
specific equipment, procedures, and processes as applied in the electricity supply
industry.
2
Performance and work practices in relation to the outcomes and evidence
requirements must comply with all current legislation, especially the Electricity Act
1992 and any subsequent amendments, any regulations, codes of practice
recognised under that statute; Health and Safety in Employment Act 1992 and any
subsequent amendments; Resource Management Act 1991 and any subsequent
amendments; electricity supply industry codes of practice; and documented
enterprise procedures. These include Safety Manual – Electricity Industry (SM-EI)
Wellington: Electricity Engineers’ Association.
A full list of current legislation and industry codes is available from:
Infrastructure Industry Training Organisation
PO Box 1245
Hamilton 3240.
3
The phrase in accordance with industry requirements is implicit in all outcomes and
evidence requirements in this unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
4
28885 version 1
Page 2 of 6
Definitions
Asset owner refers to the owner of an electricity supply network that takes its point of
supply from Transpower NZ, and delivers electricity to industrial, commercial and
residential customers.
Industry requirements include all asset owner requirements; manufacturers’
specifications, and enterprise requirements which cover the documented workplace
policies, procedures, standards, specifications, and business and quality
management requirements relevant to the workplace in which assessment is carried
out.
5
Under the Electricity Amendment Act 2006 the EWRB has a responsibility to set
registration criterion for electrical workers and ensure that all persons applying for
electrical registration are competent. To be eligible for EWRB registration as
substation maintainer, candidates must complete a competency-based New Zealand
qualification for substation maintenance. The New Zealand qualification is based on
the requirements of the EWRB Teaching Guidelines.
The capstone examinations and practical skill assessments prescribed in the EWRB
Teaching Guidelines for substation maintenance are structured around the essential
capabilities and critical items that are considered relevant to substation maintenance.
6
References
AS/NZS 3000: Electrical Installations (known as the Australian/New Zealand Wiring
Rules);
Electricity (Safety) Regulations 2010;
Electricity (Safety) Regulations 2010 - Schedule 2 Electrical codes of practice and
official standards;
Electricity Act 1992;
EWRB Teaching Guidelines available from the EWRB at www.erwb.govt.nz
The New Zealand Electrical Codes of Practice (Ministry of Economic Development,
ISSN 0114-0663);
Electricity supply industry codes of practice and documented industry procedures
include the current version of the Safety Manual – Electricity Industry (SM-EI))
Wellington: Electricity Engineers’ Association available at www.eea.co.nz;
and all subsequent amendments and replacements.
7
Candidates are permitted to refer to copies of the above references during
assessments.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28885 version 1
Page 3 of 6
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of regulatory requirements of earthing in electricity supply
substations.
Evidence requirements
1.1
Terms are defined in accordance with current regulations and industry
requirements.
Range
earthed, earthed situation, earthing system, earth electrode, earth
impedance, protective earthing conductor, main earthing
conductor.
1.2
Reasons for the requirement of low resistance for an earthing system are
explained in accordance with industry requirements.
1.3
Metalwork and equipment that must be earthed are described in accordance
with current regulations, codes of practice and industry standards.
Range
metalwork and equipment forming parts of works in a substation
electrical installation.
Outcome 2
Demonstrate knowledge of electrical bonding in an electricity supply substation.
Evidence requirements
2.1
Terms are defined in accordance with current regulations, codes of practice and
industry standards.
Range
electrical bonding, earth bonding, equipotential bonding.
2.2
The need for bonding metalwork and equipment is explained in terms of the
elimination of the risk of electric shock, step and touch voltages.
2.3
Identify one situation where the isolation and earthing of outdoor and indoor
equipment is required.
2.4
Describe the process of applying portable earths to substation equipment while
equipment is isolated for maintenance.
2.5
Methods of testing earth mats in a substation are explained.
Outcome 3
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28885 version 1
Page 4 of 6
Demonstrate and apply knowledge of the Electricity Act 1992 and the Electricity (Safety)
Regulations 2010 including any subsequent amendments.
Range
provisions of the Act and regulations relating to – electrical safety, registration
and licensing of workers, testing of prescribed electrical work, certification of
prescribed electrical work, connection of prescribed electrical work.
Evidence requirements
3.1
The Act and regulations relevant to the work of a substation maintainer are
explained.
3.2
The Act and regulations are applied to given situations within the scope of work
performed by a registered substation maintainer.
Outcome 4
Demonstrate and apply knowledge of New Zealand Electrical Codes of Practice and
industry standards.
Evidence requirements
4.1
The relevant NZECPs and standards for a substation maintainer are explained.
Range
4.2
includes but is not limited to: NZECP 34, 35
New Zealand Electrical Codes of Practice and industry requirements re applied
to given situations within the scope of work performed by registered substation
maintainer.
Outcome 5
Demonstrate knowledge of New Zealand Electricity Industry safety standards.
Evidence requirements
5.1
The relevant aspects of the SM-EI, parts 1, 2 and 3 for a substation maintainer
are explained. Answers and explanations are given in response to questions on
aspects of the SM-EI, parts 1, 2, and 3, and codes of practice for the electricity
supply industry.
5.2
Safety standards are applied to given practical situations within the scope of
work performed by registered substation maintainer.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28885 version 1
Page 5 of 6
Outcome 6
Demonstrate knowledge of AS/NZS 3000 in regard to the scope of a substation maintainer
EWRB registration.
Evidence requirements
6.1
The structure of AS/NZS 3000 is described in terms of clauses that are
mandatory and how compliance is met.
6.2
The fundamental safety outcomes contained in AS/NZS 3000 are explained in
terms of protection of people and property.
6.3
Testing and verification of electrical work are explained in terms of AS/NZS
3000.
Planned review date
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
17 March 2016
N/A
Consent and Moderation Requirements (CMR) reference
0120
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28885 version 1
Page 6 of 6
Comments on this unit standard
Please contact the Infrastructure Industry Training Organisation
qualifications@infrastructureito.org.nz if you wish to suggest changes to the content of this
unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016