Draw and explain simple electrical diagrams

Transcription

1 Level 1 Draw and explain simple electrical diagrams Credits 5 Purpose This unit standrd is for people who are working or preparing to work in electrical trades or other related industry as electricians. People credited with this unit standard are able to: Draw and explain simple electrical circuit diagrams Draw electrical location diagrams Draw single-line diagrams for electricity distribution Draw a schematic circuit diagram from inspection of a given electrical product Draw an electrical block diagram of a given electrical product Draw an electrical wiring diagram of a given electrical product Special notes 1. General Information i. Assessment of this unit standard will be in theory. It will either be in written or oral form or both. 2. Legislation and references i. Performance for this unit standard must comply with the following legislation and codes of practice: Electricity act of 1973, IEEE regulations and their subsequent amendments. Quality assurance requirements BOTA has established a system for moderating the assessment of candidates against this standard. Assessors of this standard must comply with the requirements of that system. For details contact BOTA (attention Moderation of Assessment Division). Botswana Training Authority /10/2016 Page 1 of 5

2 Elements and Performance Criteria Element 1 Draw and explain simple electrical circuit diagrams Range Circuit diagrams includes series, parallel, and seriesparallel connections; using switches, outlets, lamps, ammeters, voltmeters, fuses, resistors, batteries and single-phase supply 1.1. Drawn circuitry is electrically functional 1.2. Standard symbols are used in accordance with industrial practice 1.3. Operation of circuits is explained with reference to current paths Element 2 Draw electrical location diagrams Range Location diagrams include for domestic or small commercial installation 2.1. Location diagrams are drawn to scale in accordance with standard practice 2.2. Standard symbols are used in accordance with standard practice 2.3. A legend of symbols is included in accordance with standard practice Botswana Training Authority /10/2016 Page 2 of 5

3 Element 3 Draw single-line diagrams for electricity distribution Range Diagrams include single-phase domestic installation, three-phase industrial installation, power generation distribution 3.1. Drawn circuitry is electrically functional 3.2. Equipment ratings and cable sizes are shown in accordance with standard practice 3.3. Standard symbols are used in accordance with standard practice 3.4. Purpose of line diagrams is explained according to industry practice Element 4 Draw a schematic circuit diagram from inspection of a given electrical product Range Product include but is not limited to one of electrical 4.1. Circuit diagram is drawn by inspection of the physical product 4.2. Drawn circuit is electrically functional and a true representation of the physical product 4.3. Standard symbols are used Element 5 Draw an electrical block diagram of a given electrical product Range Product include but is not limited to one of electrical 5.1. Block diagram is correctly made to depict the functional units of the product 5.2. Standard symbols are used Botswana Training Authority /10/2016 Page 3 of 5

4 Element 6 Draw an electrical wiring diagram of a given electrical product Range Product include but is not limited to one of electrical 6.1. Wiring diagram is correctly depicts the physical interconnection of components of the product 6.2. Wiring diagram is functionally correct Botswana Training Authority /10/2016 Page 4 of 5

5 Comments on this standard Please contact the Botswana Training Authority attention Standards Division for comments and questions on the content of this unit standard. Please note Training institutions and Assessment Centres must be accredited by the Botswana Training Authority for the domain and level of this unit standard before they can register credits for assessment of this unit standard. Accredited Training institutions and assessment centres assessing against this unit standards must engage with the moderation system that applies to this unit standard. Registration Data FIELD Code E Name ENGINEERING AND MANUFACTURING Subfield Code EG Name Electrical Trades Domain Code EG01 Name Electrical Installation Unit Standard ID Code F Date first registered 07 Oct 2014 Date this version registered 07 Oct 2014 Anticipated review 07 Oct 2019 Body responsible for review Code TF0013 Name Electrical Trades Standards Setting Task Force Document Status FINAL - FINAL Botswana Training Authority /10/2016 Page 5 of 5