Barbados Wireman Licence Exam study plan

State Ohm's law and the power relationships for resistive circuits and compute current, voltage, resistance and power in at least 20 mixed practice problems without reference notes

Distinguish series, parallel and series-parallel circuit behaviour and calculate equivalent resistance and branch currents in at least 10 worked examples

Explain the difference between alternating and direct current, define RMS and peak values, and convert between them for at least 5 given waveforms

Locate and read the regulation clauses covering circuit design, conductor sizing and voltage drop in the applicable wiring code, and tabulate the clause numbers you will reuse all course

Classify the code requirements for conductor current-carrying capacity, derating factors and ambient temperature correction into a decision sequence you can apply step by step

Select the correct protective device rating and conductor cross-section for at least 8 described loads, showing the derating arithmetic

Interpret the code rules on socket-outlet, lighting and fixed-appliance circuits and list the specific requirements for each circuit type

Identify the code requirements for special locations and installations and note where additional protection or restriction applies

Describe the arrangement of a consumer unit and the functions of its incoming main switch, residual current devices and final circuit protective devices

Explain the requirements for service entrance equipment, metering arrangements and the main earthing terminal at the origin of an installation

Apply the code rules governing consumer unit labelling, circuit identification and accessibility of switching and protective devices

Distinguish the responsibilities of the supply authority from those of the installation owner at the point of supply

Explain the purpose of earthing and bonding and distinguish protective earthing from main and supplementary equipotential bonding

Describe how protective device disconnection times are achieved and state the relationship between earth fault loop impedance and disconnection

Compare the operating principles of fuses, miniature circuit breakers and residual current devices and match each to appropriate applications

Identify the conductors requiring main bonding and state why each is bonded

Sequence the standard inspection checks performed before energising an installation and list the defects each check is intended to reveal

Describe the continuity, insulation resistance, polarity, earth fault loop impedance and RCD trip-time tests, including instrument type and expected result for each

Demonstrate correct workmanship standards for conductor termination, enclosure selection, cable support and routing, and identification of conductors

Explain the purpose and required content of an electrical installation certificate and a minor works certificate

Interpret test results against expected values and state the corrective action for at least 6 described non-compliant outcomes

Explain the safe isolation procedure step by step, including proving the tester before and after the test

Identify the hazards of electric shock, arc flash, burns and falls from height and state the control measure for each

Describe the purpose and required elements of a risk assessment and a method statement for a typical domestic rewiring task

Re-solve mixed calculation problems combining load estimation, conductor sizing, voltage drop and earth fault loop impedance under timed conditions

Trace protection coordination through a worked example from final circuit to origin, confirming disconnection is achieved

Review all previously written notes and correct or expand every weak area identified by practice scores

Complete at least 40 mixed practice questions spanning theory, protection and testing, and record the score for each domain

Consolidate code requirements by working through at least 30 scenario questions on circuit design, consumer units and special locations

Rehearse inspection and certification reasoning by writing certificate entries for 5 described installations

Review safety and health content and confirm you can state control measures for the ten most common site hazards without notes

Complete two full timed mock exams under exam conditions and review every incorrect answer against the source material