Maharashtra HSC Multi-Skill Electrical (NSQF) study plan

Define and correctly use the core quantities - emf, potential difference, current, resistance, power, energy - with their SI units and symbols, and state Ohm's law in words and formula form.

Calculate series, parallel and series-parallel equivalent resistance for three- and four-resistor networks without a calculator error, showing each step.

Compute power, energy consumption in kWh and monthly cost for at least five household appliance load combinations.

Explain the physiological effects of current through the body and justify the standard safety rules for isolation, earthing, and use of PPE at low voltage.

Distinguish AC and DC fundamentals, state the meaning of RMS and peak value for a sine wave, and compute RMS from a given peak value.

Identify and state the purpose of every accessory in a domestic circuit - main switch, MCB, RCCB, distribution board, socket, switch, ceiling rose, and earthing pit - and sketch their positions in a single-line layout.

Select correct cable size and conductor material for given load currents using a current-carrying capacity table, and justify the choice in writing.

Describe the wiring methods (cleat, casing-capping, conduit concealed and surface, batten) and match each to an installation situation with a stated reason.

Explain the standard colour code for conductors and the correct polarity connections at socket, switch and lamp holder.

State IE rules/IS-based requirements for earthing resistance, earth wire size and MCB/RCCB ratings in domestic installations.

Explain the construction and working principle of a single-phase transformer and derive the turns ratio relationship between voltage and current.

Solve transformer problems on turns ratio, secondary current, efficiency and losses (copper and iron) at given loads.

Describe the construction, rotating-field principle and slip of a three-phase induction motor, and interpret nameplate data including rating, speed, connection and IP class.

Compare DC series, shunt and compound motors by connection, torque-speed behaviour and typical application.

Explain the need for a starter for induction motors and relate starting current to motor rating.

Read and redraw a DOL starter power and control circuit, labelling contactor coil, main contacts, auxiliary holding contact, overload relay and push buttons.

Trace the current path in a star-delta starter control circuit and explain the purpose of interlocking and the timer.

Select MCB, MCCB, fuse and overload relay ratings for a given motor from full-load current, and justify the setting.

Explain the operating principle and test procedure of an ELCB/RCCB and state why it does not replace earthing.

Describe the function of no-volt release, phase failure relay and thermal overload in protecting a motor.

Select the correct instrument for a measurement task - multimeter, clamp meter, insulation resistance tester, earth tester, tong tester, continuity tester - and state its range and safety category.

Describe the correct procedure to measure insulation resistance of a motor winding and of a wiring installation, including test voltage and acceptable minimum values.

Apply a systematic fault-finding sequence (observe, isolate, test, localise, rectify, verify) to open circuit, short circuit, earth fault and loose connection cases.

Diagnose at least six common domestic and motor faults from symptoms and state the instrument and reading that confirms each diagnosis.

State safety precautions for live testing, lockout-tagout and discharging capacitors before measurement.

Explain the layout of a low-voltage industrial distribution system from transformer to MCCB, busbar, sub-distribution board and final circuit.

Select cable type and size for industrial loads considering derating for ambient temperature, grouping and installation method.

Describe busbar arrangements, cable trays, glanding and termination practice, and state the purpose of cable lugs and crimping.

Explain power factor, its effect on current and billing, and the role of capacitor banks in industrial installations.

State the requirements of earthing systems for industrial premises including earth pit, earth bus and protective conductor continuity.

Interpret electrical symbols on a drawing and convert a given layout sketch into a schematic with a material take-off list.

Prepare an estimate for a small installation: quantity take-off, rate build-up, labour and contingency, arriving at a total cost with a stated margin.

Plan a small project (e.g., wiring a room or assembling a DOL starter panel) with a work sequence, tool list, material list and safety checklist.

Prepare answers for viva questions on safety, earthing, starters, instruments and wiring practice, and rehearse them aloud.

Explain how to test and commission a completed installation before handover, including insulation resistance, continuity and earth resistance checks.

Draft a short CV and a covering note for an electrical technician role, listing the skills and practical work covered in this course.

Explain the basic elements of self-employment in electrical work - quotation, licence requirements, customer communication and record keeping - in a written note.

Revise weak areas from earlier weeks using a self-made error list, and re-solve every numerical previously marked wrong.

Complete two timed full-syllabus mock tests and analyse the score by domain to identify the last gaps.

Write a concise oral explanation of one practical job (e.g., installing a DOL starter) suitable for a viva answer.