CONSTRUCTION ELECTRICAL INSTALLATION
PROGRAMME OUTLINE
DURATION: 9 Months
Section 1 Core Modules 24 weeks
•HEALTH, SAFETY AND ENVIRONMENT
•Identify and use Safety Wear
Apply the basic principle of first aid and CPR in the Workshop
•Safe use of Power Tools and Hand Tools •Safe use of Electrical Test equipment •General Tidiness and House keeping
•Select and use appropriate Personal Protective Equipment
WORSHOP PRACTICALS
• BASIC TRADE MATHEMATICS
•Use the SI and FPS System
•Use basic arithmetic x, ÷ , +, A – V v using basic algebra and geometry to solve problems
•Use trade mathematics o solve electrical problems
•Solve problems using basic trigonometry Sin/Cos/Tan
•Angular measurement in degree and radius
•Calculation of areas, circular areas, volumes, lengths etc.
• SELECT AND USE COMMON ELECTRICAL TOOLS
•Selection and Inspection of Tools• Care and Storage of Tools
• WORKSHOP PRACTICALS
• IDENTIFY COLOUR CODES IN ACCORDANCE WITH THE NEC
•Identify codes as outlined in the National Electrical Code Hand Book and The Trinidad and Tobago Bureau of Standards for Local and International Installations.
• WORKSHOP PRACTICALS
• TERMINATE, SPLICE, SOLDER AND REINSULATE CONDUCTORS IN ACCORDANCE WITH THE NEC
•Demonstrate the ability to produce different types of spices
•Demonstrate the ability to solder to ensure a mechanically and electrically sound joint
•Identify the different types of tapes used for reinsulating splices
•Perform reinsulating techniques using the different types of tapes
• WORKSHOP PRACTICALS
•EXPLAIN AND APPLY OHM'S LAW FOR ELECTRICAL INSTALLATIONS
•Ability to explain Ohm's law in words and in symbols. •Use Ohm's law to perform circuit calculations.
•Apply Ohm's law in basic circuit building.
• WORKSHOP PRACTICALS
• EXPLAIN AND APPLY KIRCHOFF'S VOLTAGE AND CURRENT LAWS FOR ELECTRICAL INSTALLATIONS
•Ability to explain Kirchoff's Law in words and in symbols
•Use Kirchoff's Laws to perform circuit calculations •Apply Kirchoff's Laws in basic circuit building.
• WORKSHOP PRACTICAL
• SELECT AND USE ELECTRICAL TEST EQUIPMENT
•Use digital multi-meter effectively to measure for continuity, circuit voltage and circuit current
•Use clamp on meter to measure currents in conductors that are not always disconnected.
•Use megohm-meter to measure insulation resistance of motors
•Use megohm-meter to measure insulation resistance of transformers
•Use megohm-meter to measure insulation resistance of electrical installations
• WORKSHOP PRACTICALS
• BEND AND INSTALL PVC AND EMT CONDUIT IN ACCORDANCE WITH THE NEC
•Cut and Ream PVC Conduit
•Bend PVC conduit using the spring bender ensuring the number of bends conform to Trinidad and TobagoBureau of Standards.
•Install PVC Conduit using the appropriate fittings.
•Cut and Ream EMT Conduit
•Bend EMT Conduit using the step bender ensuring the number of bends conform to Trinidad and Tobago Bureau of Standards.
•Install EMT Conduit using the appropriate fittings
• WORKSHOP PRACTICALS
• BEND, THREAD AND INSTALL RIGID METAL CONDUIT IN ACCORDANCE WITH THE NEC
•Identify the tools used for cutting threading and bending rigid conduit.For example, hacksaw set, stock and die and hickey bender, pipe vise
•Use tools to thread and bend pipe. •Install conduit using appropriate fittings.
• WORKSHOP PRACTICALS
•CUT AND INSTALL PVC TRUNKING, METAL TRUNKING AND CABLE TRAYS IN ACCORDANCE WITH THE NEC
•Identify the tools used for trunking and tray installation (e.g. hacksaw, files, rivet gun).
•Cut trunking and tray and clean all the burrs
•Assemble trunking and tray using the appropriate devices ensuring grounding continuity.
•Install trunking and tray in accordance with the National Electrical Code.
• WORKSHOP PRACTICALS
•SET UP CABLE REELS, PULL CABLES IN CABLE TRAY, PULL WIRES IN TRUNKING AND CONDUIT IN ACCORDANCE WITH THE NEC
•Identify the tools used for pulling wire operation (e.g. nylon fish line, metal fish tape and pulling lubricant)
•Pull wires using appropriate techniques
• WORKSHOP PRACTICALS
•SADDLE WIRES FOR DOMESTIC, COMMERCIAL AND INDUSTRIAL INSTALLATION IN ACCORDANCE WITH THE NEC
•Identify tools and materials used for saddling wires (e.g. E.C.C. wire, buckle clips, tower clips, hammer)
•Saddle wires in accordance with the National Electrical Codes using appropriate techniques.
• WORKSHOP PRACTICALS
•SELECT, INSTALL AND CONNECT FINAL SUB-CIRCUITS (RECEPTACLES, SWITCHES AND OUTLETS) IN ACCORDANCE WITH THE NEC
•Identify basic final sub circuit devices (e.g. switches, receptacles)
•Wire final sub circuits in accordance with the National Electrical Code adhering to colour codes and polarity.
• WORKSHOP PRACTICALS
•SELECT AND INSTALL CIRCUIT BREAKERS IN DISTRIBUTION PANELS
1. Identify different types of circuit breaker with regards to:
•Manufacturer •Number of Poles •Number of Amperes
2. Install circuit breakers using appropriate techniques
WORKSHOP PRACTICALS
• TERMINATE CONDUCTORS IN A DISTRIBUTION PANEL AND IDENTIFY SUB CIRCUITS IN ACCORDANCE WITH THE NEC
•Identify the circuit conductors in distribution panel that are to be terminated
•Connect circuit conductors to circuit breakers ensuring colour codes, polarity and good workmanship is adhered to.
• WORKSHOP PRACTICALS
•SELECT, INSTALL, CONNECT AND TROUBLESHOOT INDUSTRIAL LIGHTING SYSTEMS IN ACCORDANCE WITH THE NEC
•Identify the different types of lighting systems and their associated components
•Wire different types of lighting systems using their associated components.
•Install lighting systems in accordance with the National Electrical Code.
• WORKSHOP PRACTICALS
•SELECT, INSTALL, CONNECT AND TROUBLESHOOT SINGLE PHASE AND THREE PHASE TRANSFORMERS IN ACCORDANCE WITH THE NEC
•Identify and select 1Ø and 3 Ø transformers
•Interpret Name plate data on transformers
•Interpret Electrical Connection Diagrams
•Install transformers in accordance with the National Electrical Code
•Make transformer connections
•Ability to troubleshoot transformers to identify low insulation resistance and short circuits.
• WORKSHOP PRACTICALS
•INSTALL SINGLE-PHASE SERVICE ENTRANCE FOR SINGLE AND MULTIPLE OCCUPANCY DWELLINGS IN ACCORDANCE WITH THE NEC.
•Identify and select the materials used for a single phase service entrance installation
•Install a single-phase service entrance using the appropriate materials as outlined in the Trinidad and Tobago Bureau of Standards Handbook.
• WORKSHOP PRACTICALS
• INSTALL THREE-PHASE SERVICE ENTRANCE FOR COMMERCIAL AND INDUSTRIAL INSTALLATIONS IN ACCORDANCE WITH THE NEC.
• Identify and select materials used for a three phase service entrance installation
•Install a three-phase service entrance using the appropriate materials as outlined in the Trinidad and Tobago Bureau of Standards Handbook.
• WORKSHOP PRACTICALS
•INTERPRET FLOOR PLANS, WIRING DIAGRAMS, CIRCUIT DIAGRAMS FOR ESTIMATING AND WIRING INSTALLATIONS
•Interpret the different types of electrical diagrams and their respective symbols
•Use electrical drawings to compile a detailed material list for an assigned installation
•Wire installation using the drawings and the respective material listing.
• WORKSHOP PRACTICALS
•SERVICE, TEST, INSTALL AND CONNECT SINGLE PHASE AND THREE PHASE AC CAGE ROTOR INDUCTION MOTORS
•Obtain motor name plate data and service electric motors using appropriate techniques
•Test motor for functionality
•Connect motor to the relevant electrical supply
• Run motor and take clamp on meter readings
•Compare readings with those on the name plate
• WORKSHOP PRACTICALS
•WIRE ELECTRICAL POWER AND CONTROL CIRCUITS FOR INDUSTRIAL APPLICATIONS
•Identify the components used for wiring power and control circuits (e.g. contactors, overload relays, timers and switches)
•Wire power and control circuits using the components and an electrical schematic
•Ability to troubleshoot power and control circuits and repair their faults.
• WORKSHOP PRACTICALS
Section 2 Supplemental Modules
4 Weeks: BENCHFITTING
•Workshop Safety •Tools Cutting and Non-Cutting •Use and Care of Tools •Layout of work pieces •Measurements
• WORKSHOP PRACTICALS
4 Weeks: INSTRUMENT FITTING
•Types of Instrument Fitting (Fabrication and Tube Bending) •Gauges •Identifying Valves and its uses
•Identifying transmitters, flow pressure temperature •Measurements •Basic calibration of instruments
1 Week: OSHA CONSTRUCTION SAFETY (30 hrs)
1 Week: COMPUTER FUNDAMENTALS
•Basic Computer Outline •Microsoft Word •Microsoft Excel
2 Week: LIFE LONG LEARNING