Wireman

Course Overview

• Trade Name: Wireman
• Duration: 2 Years (4 Semesters)
• NSQF Level: Level 5
• Eligibility: 8th Grade Pass
• Objective: To train candidates in installing, maintaining, and repairing electrical wiring systems, enabling them to work as wiremen, electricians, or maintenance technicians in construction, manufacturing, or power distribution sectors, or pursue self-employment as electrical contractors.
• Certification: National Trade Certificate (NTC) by NCVT

Detailed Syllabus

Semester 1

Trade Theory

• Introduction to Electricity: Fundamentals of current, voltage, resistance; Ohm’s Law, Kirchhoff’s Laws.
• Electrical Materials: Conductors (copper, aluminum), insulators (PVC, rubber), cables, and their specifications.
• Wiring Systems: Types (cleat, casing-capping, conduit), applications, IS/IEC standards.
• Hand Tools: Pliers, screwdrivers, testers, hammers; usage, maintenance, and safety.
• Safety Practices: Electrical hazards, shock prevention, PPE (gloves, boots), fire extinguishers, first aid.
• Basic Circuits: Series, parallel circuits; simple circuit calculations, power measurement.
• Measuring Instruments: Ammeter, voltmeter, wattmeter, multimeter; principles and usage.

Trade Practical

• Tool Handling: Practicing with pliers, screwdrivers, crimping tools; sharpening and maintenance.
• Wiring Practice: Installing cleat and casing-capping wiring for single-phase circuits.
• Safety Drills: Using PPE, earthing systems, simulating shock rescue procedures.
• Circuit Assembly: Connecting series/parallel circuits; measuring current, voltage with multimeters.
• Cable Jointing: Preparing straight, T-joints, and Britannia joints for cables.
• Instrument Usage: Testing circuits with megger, continuity testers; recording readings.
• Project Work: Wiring a single-room lighting circuit with switch and socket, ensuring safety compliance.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 2

Trade Theory

• AC Fundamentals: Alternating current, phase, frequency; single-phase vs. three-phase systems.
• Wiring Accessories: Switches, sockets, MCBs, ELCBs, distribution boards; selection criteria.
• Conduit Wiring: Types (PVC, metallic), bending, threading, installation techniques.
• Earthing Systems: Plate earthing, pipe earthing; importance, testing methods.
• Electrical Appliances: Fans, heaters, irons; construction, wiring, and faults.
• Illumination: Types of lamps (incandescent, fluorescent, LED), lux levels, lighting design basics.
• Workshop Management: Inventory control, tool maintenance, 5S methodology.

Trade Practical

• Conduit Installation: Bending and fixing PVC/metal conduits; wiring single-phase circuits.
• Earthing Practice: Installing pipe earthing; measuring earth resistance with earth tester.
• Appliance Wiring: Connecting ceiling fans, water heaters; testing for functionality.
• Lighting Circuits: Wiring fluorescent/LED lights with starters, ballasts; measuring illumination.
• Fault Finding: Diagnosing faults in domestic wiring (open circuit, short circuit) using testers.
• MCB/ELCB Testing: Installing and testing MCBs/ELCBs in distribution boards.
• Project Work: Wiring a multi-room residential setup with lighting, fan, and power sockets.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 3

Trade Theory

• Electrical Machines: Transformers, DC motors, single-phase motors; working principles, applications.
• Three-Phase Systems: Star and delta connections, power measurement, phase sequence.
• Industrial Wiring: LT/HT cables, busbars, panel boards; wiring for motors, starters.
• Switchgear: Relays, contactors, circuit breakers; types, ratings, and operations.
• Energy Meters: Single-phase and three-phase meters, CT/PT connections, tariff systems.
• Preventive Maintenance: Schedules for wiring systems, motors, and switchgear.
• Electrical Estimation: Material takeoff, costing for domestic/industrial installations.

Trade Practical

• Motor Wiring: Connecting single-phase motors with DOL starters; reversing rotation.
• Three-Phase Wiring: Wiring star/delta circuits; measuring power with two-wattmeter method.
• Panel Board Setup: Assembling distribution panels with busbars, MCBs, and meters.
• Transformer Testing: Checking transformer polarity, insulation resistance; simple connections.
• Switchgear Operation: Testing relays, contactors; simulating overload conditions.
• Meter Installation: Installing and testing single-phase energy meters; recording readings.
• Project Work: Designing and wiring an industrial motor control circuit with starter and safety devices.

Hours: Theory: 160 hours | Practical: 240 hours

Semester 4

Trade Theory

• Advanced Wiring Systems: Underground cables, overhead lines, cable tray installations.
• Power Distribution: Substations, feeder lines, load balancing; APFC panels.
• Renewable Energy: Solar PV systems, wind power basics, battery backup wiring.
• Troubleshooting: Diagnosing complex faults in wiring, motors, and control circuits.
• Entrepreneurship: Starting an electrical contracting business, licensing, tendering.
• Electrical Codes: NEC, IS/IEC standards, building wiring regulations.
• Environmental Safety: E-waste management, energy conservation, green building concepts.

Trade Practical

• Underground Wiring: Laying and jointing LT cables; testing insulation with megger.
• Solar Installation: Wiring solar panels, inverters, batteries; measuring output.
• Troubleshooting: Repairing faults in three-phase circuits, control panels, and motors.
• APFC Panel: Assembling and testing automatic power factor correction panels.
• Industrial Exposure: Hands-on training in electrical contracting firms or industries (4-6 weeks).
• Estimation Practice: Preparing material lists, cost estimates for a commercial wiring project.
• Project Work: Installing and testing a complete commercial wiring system with lighting, power, and metering.

Hours: Theory: 160 hours | Practical: 240 hours

Additional Components

• Workshop Calculation and Science
  • Calculations: Load calculations, cable sizing, power factor, transformer ratings.
  • Science: Electromagnetism, AC waveforms, thermodynamics in motors.
  • Hours: 80 hours/year
• Engineering Drawing
  • Reading and drawing wiring diagrams, single-line diagrams, panel layouts.
  • Hours: 80 hours/year
• Employability Skills
  • Communication: Client interaction, reporting faults, teamwork.
  • IT Literacy: Using software for wiring design, online documentation.
  • Soft Skills: Time management, resume writing, interview preparation.
  • Hours: 60 hours/year

Assessment and Certification

• Exams:
  • Theory: Written exams per semester (MCQs, descriptive questions).
  • Practical: Tasks like wiring installations, fault diagnosis, meter connections.
• Evaluation Criteria: Wiring accuracy, safety adherence, troubleshooting skills, project quality.
• Certification: NCVT National Trade Certificate (NTC) upon passing all semesters, recognized globally.

Career Opportunities

• Employment: Wireman, electrician, maintenance technician in construction, manufacturing, or power utilities.
• Self-Employment: Electrical contractor, wiring service provider, consultancy.
• Further Studies: Diploma in Electrical Engineering, CITS in Electrician, or certifications in solar installation.