SG PPE Electrical study plan
SG PPE Electrical · Give each week a clear focus.
8 weeks · About 7 hours per week
Electrical theory and circuit fundamentals
Derive and apply Ohm's law and power equations to series, parallel and series-parallel resistive networks
Calculate total resistance, branch currents and voltage drops for at least five mixed circuits by hand
Explain the relationship between voltage, current, resistance and power and state each unit correctly
Solve single-phase AC problems involving impedance, reactance and power factor
Your checkpoint
A worked problem set of 20 circuit calculations (with formulas shown) scoring at least 85% against the answer key
Electrical theory and circuit fundamentals & Wiring systems, cables and accessories
Describe how AC waveforms, frequency and RMS values relate to supply characteristics
Identify cable construction, conductor sizes and insulation types used in fixed installations
Select appropriate wiring accessories and enclosures for given environmental conditions
Explain derating factors affecting current-carrying capacity
Your checkpoint
A one-page reference sheet mapping cable types and accessories to installation scenarios, plus 15 correctly answered selection questions
Wiring systems, cables and accessories & Protection, earthing and bonding
Apply installation methods and reference conditions to determine current-carrying capacity
Calculate protective device ratings against cable capacity and load demand
Explain the purpose and operation of fuses, MCBs and RCDs
Describe earthing system types and the role of main and supplementary bonding
Your checkpoint
Three fully worked cable-sizing and protection-selection calculations with justification for each device rating
Protection, earthing and bonding & Electrical installations and equipment
Determine disconnection times and verify earth fault loop path requirements
Explain ADS, residual current protection and their coordination
Identify requirements for protective bonding of extraneous conductive parts
Describe common installation equipment and its correct application
Your checkpoint
A written fault-path analysis for two sample installations showing whether disconnection requirements are met
Electrical installations and equipment & Electrical safety, regulations and codes of practice
Outline the structure and scope of the wiring regulations and how to locate a requirement
Describe safe isolation procedure and permit-to-work principles
Explain isolation, switching and emergency control requirements for equipment
Identify inspection and maintenance obligations for installed equipment
Your checkpoint
A safe isolation checklist and a 10-question regulation-location exercise answered from memory of structure, scoring 80%+
Inspection, testing and commissioning & Practical assessment and fault diagnosis
List the sequence of tests for a new installation and state the purpose of each
Describe how to perform continuity, insulation resistance, polarity and loop impedance tests
Interpret test results against expected values and identify pass/fail
Apply a structured diagnostic approach to common faults such as open circuit, short circuit and earth fault
Your checkpoint
A completed test schedule template with 10 sample results correctly judged pass or fail and a stated reason for each
Inspection, testing and commissioning & Practical assessment and fault diagnosis & Electrical safety, regulations and codes of practice
Explain certification and reporting requirements for inspection and testing
Diagnose faults from given symptoms and justify the test sequence used to locate them
Describe commissioning checks before energising an installation
Link test outcomes back to regulation requirements
Your checkpoint
Three written fault-diagnosis scenarios with a step-by-step test plan and conclusion for each
Electrical theory and circuit fundamentals & Wiring systems, cables and accessories & Protection, earthing and bonding & Electrical installations and equipment & Inspection, testing and commissioning & Electrical safety, regulations and codes of practice & Practical assessment and fault diagnosis
Complete a timed mixed-domain practice paper under exam conditions
Review every incorrect answer and record the underlying rule or formula
Re-test weak areas identified in the review
Consolidate formula and reference recall under time pressure
Your checkpoint
A full timed mock exam with a scored review log identifying at least three weak areas and the corrective action taken
Milestones
Week 2: Score 80%+ on a 20-question circuit and cable-selection quiz without notes
Week 4: Correctly complete two cable-sizing and protection calculations and one fault-path analysis unaided
Week 6: Produce a full test schedule with all sample results correctly classified pass/fail
Week 8: Achieve 75%+ on the timed mixed-domain mock exam with a written review log