NZQA registered unit standard
22766 version 3
Page 1 of 4
Title
Demonstrate knowledge of the operating principles of portable
electrical appliances and power tools
Level
4
Purpose
Credits
7
This unit standard covers the operating principles of portable
electrical appliances and is intended for use in the training of
electrical technicians and service persons.
People credited with this unit standard are able to describe:
–
legal and regulatory obligations relevant to appliance
servicing;
–
the operating principles of portable electro-mechanical
kitchen appliances;
–
the operating principles of power tools; and
–
the operating principles of portable domestic appliances.
Classification
Electrical Engineering > Electrical Appliance Servicing
Available grade
Achieved
Explanatory notes
1
This unit standard has been developed for learning and assessment off-job.
2
Portable refrigerators, freezers, dehumidifiers, and air conditioners are covered in
unit standard 18084, Demonstrate knowledge of refrigeration principles applicable to
domestic appliances.
3
References
Fair Trading Act 1986
Consumer Guarantees Act 1993;
Electricity (Safety) Regulations 2010;
Electricity Act 1992;
Health and Safety in Employment Act 1992, and associated regulations;
New Zealand Electrical Codes of Practice (Ministry of Business, Innovation and
Employment, ISSN 0114-0663);
and all subsequent amendments and replacements.
4
Definition
Electrical technicians and service persons – for the purposes of this unit standard
means, people who hold or who are working towards electrical registration as an
Electrical Service Technician, Electrical Appliance Serviceperson (endorsed to
disconnect and connect), or Electrical Appliance Serviceperson.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
22766 version 3
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Describe legal and regulatory obligations relevant to appliance servicing.
Evidence requirements
1.1
Legal and regulatory obligations pertaining to consumer rights protection are
described.
Range
1.2
Fair Trading Act 1986, Consumer Guarantees Act 1993.
Legal and regulatory obligations pertaining to workplace safety, including
electrical safety, are described.
Range
Health and Safety in Employment Act 1992; Electricity Act 1992,
Electricity (Safety) Regulations 2010.
Outcome 2
Describe the operating principles of portable electro-mechanical kitchen appliances.
Range
evidence of four types of portable electro-mechanical kitchen appliances is
required.
Evidence requirements
2.1
The operating principles of typical portable electro-mechanical kitchen
appliances are described with reference to wiring diagrams and block diagrams.
2.2
The operation of typical portable electro-mechanical kitchen appliances is
described with reference to electrical components, and mechanical
components.
Range
electrical components – motor, capacitor, switch, overload,
suppression circuit, speed control, thermal and over-current
protection;
mechanical components – associated parts and accessories.
Outcome 3
Describe the operating principles of power tools.
Range
evidence of four types of power tools is required.
Evidence requirements
3.1
The operating principles of typical power tools are described with reference to
wiring diagrams and block diagrams.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
3.2
22766 version 3
Page 3 of 4
The operation of typical power tools is described with reference to electrical
components and mechanical components.
electrical components – motor, capacitor, switch, overload,
suppression circuit, speed control, reversing switch, thermal and
over-current protection;
mechanical components – fan, gear, mechanical speed control,
guards, adjustment, mechanical links, chucks and jaws.
Range
Outcome 4
Describe the operating principles of portable domestic appliances.
Range
heating – radiant, fan, oil-filled radiator;
electro-mechanical – including but not limited to vacuum cleaner, floor polisher
or scrubber, carpet cleaner, water blaster;
evidence of two types of portable domestic appliances is required.
Evidence requirements
4.1
The operating principles of typical portable domestic appliances are described
with reference to wiring diagrams and block diagrams.
4.2
The operation of typical domestic appliances is described with reference to
electrical components and mechanical components.
electrical components – motor, capacitor, switch, overload,
suppression circuit, speed control, thermal and over-current
protection, safety devices;
mechanical components – associated parts and accessories,
guards.
Range
Planned review date
31 December 2014
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
20 June 2006
N/A
Rollover and
Revision
2
20 September 2012
N/A
Revision
3
15 January 2014
N/A
Consent and Moderation Requirements (CMR) reference
0003
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
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
22766 version 3
Page 4 of 4
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.
Comments on this unit standard
Please contact The Skills Organisation reviewcomments@skills.org.nz if you wish to
suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016