SPM Pendawaian Domestik study plan

State and apply Ohm's law, power formulas and series/parallel resistance combinations to at least 15 worked domestic-circuit problems without reference notes

Calculate voltage drop for a 20 m 2.5 mm² PVC single-phase final circuit at 20 A and compare the result with the 4% (10.4 V at 230 V) limit

Explain the operation of MCBs, RCCBs and fuses by matching each device to the fault type it clears (overload, short circuit, earth leakage, indirect contact)

Draw the MEN (multiple earthed neutral) arrangement from transformer to consumer unit, labelling the main earth terminal, neutral link and earth electrode

Size a final circuit for a 3 kW water heater and a 2 kW air-conditioner using design current, protective device rating and cable current-carrying capacity from a Malaysian cable table

Apply diversity and maximum demand methods (per MS IEC 60364 guidance) to a 3-bedroom terrace house load schedule

Compute earth fault loop impedance for a 32 A Type C MCB circuit and confirm whether disconnection within 0.4 s is achievable

Distinguish TN-S, TN-C-S and TT earthing arrangements and state the disconnection requirement for each

Identify and state the correct application of PVC single-core, PVC/PVC twin-and-earth, and XLPE cables, including conductor colour coding under current Malaysian practice

Select accessories (switches, socket outlets, ceiling roses, junction boxes) with correct IP rating for bathroom, kitchen and outdoor locations

Design a lighting circuit with two-way switching and a socket-outlet ring or radial circuit, showing cable routes on a floor plan

Explain the restrictions on socket outlets in bathrooms and the use of 30 mA RCD protection for socket circuits

List the duties of a competent person under the Electricity Regulations 1994 and the Occupational Safety and Health Act 1994 as they apply to domestic wiring work

State the permit and supervision requirements for electrical wiring work in domestic premises under Suruhanjaya Tenaga rules

Identify the correct personal protective equipment, lockout/tagout and safe isolation procedure before working on a domestic consumer unit

Locate and cite the relevant clauses of MS IEC 60364 covering protection against electric shock, overcurrent and isolation

Perform and record insulation resistance, continuity, polarity, earth fault loop impedance and RCD trip-time tests on a mock or real installation

Interpret test results against acceptable limits and state the corrective action for each failed result

Diagnose five common domestic faults (tripping RCD, dead socket, flickering light, high loop impedance, reversed polarity) from symptoms alone

Complete a Schedule of Test Results and an Electrical Installation Certificate for a sample installation

Draw a single-line diagram, a distribution board schedule and a wiring diagram for a lighting and power circuit to standard symbols

Produce a bill of quantities and a materials list for a small domestic installation from a drawing

State the Malaysian requirements for earthing electrode resistance, main equipotential bonding and supplementary bonding in bathrooms

Apply the correct inspection sequence (before, during and after installation) and list the items checked at each stage

Trace and correct faults in a simulated installation using a multimeter, insulation tester and RCD tester within a set time limit

Explain the causes and remedies for nuisance RCD tripping, including cumulative leakage current and shared neutrals

Demonstrate correct termination practice for socket outlets, consumer unit breakers and earthing conductors, and state the torque and conductor-preparation requirements

Describe the inspection and testing requirements for a periodic inspection report on an existing installation

Complete two full timed mock exams covering all eight domains and score at least 75% on each

Review all incorrect answers and write a correction note explaining the underlying principle for each

Recite the key regulatory limits (voltage drop, disconnection times, RCD ratings, earthing resistance, insulation resistance) from memory

Produce a personal one-page revision sheet linking each domain to its most examinable facts