Guides

Workflow guides for choosing inputs, reviewing assumptions and interpreting calculator outputs.

53 guides
Technical notes
Calculator workflows

Guides by workflow

Open the workflow area that matches the calculation task.

Cable sizing6 guidesCable sizing guidesCable-size, voltage drop and submain workflow guides for Australian metric cable records.
Power and load6 guidesPower and load guidesLoad-current, power-factor and switchboard load-schedule workflows for Australian electrical records.
Protection and testing8 guidesProtection and testing guidesFault-current, loop impedance, I2t and RCD test-record workflows for Australian verification records.
Motors and transformers7 guidesMotor and transformer guidesMotor-current, starting-current, voltage-dip and transformer current workflows for Australian electrical records.
Solar, battery, EV and supply9 guidesSolar, battery, EV and supply guidesPV string, inverter cable, DNSP context, battery cable and EV charger workflows for Australian energy-system records.
Lighting and estimating6 guidesLighting and estimating guidesLighting-load, IP-rating, cable-quantity, waste-factor and quote worksheet workflows for Australian estimating records.
Power quality, generators and backup8 guidesPower quality, generators and backup guidesVoltage-unbalance, harmonic THD, generator-starting, backup-power and public calculator boundary workflows for Australian records.

All guides

Open the guide that matches the calculation stage.

Inputs2026-07-12 · guideCalculation inputs checklistWhat to confirm before using an Australian electrical calculator output in a design, quote or site review.
Cable2026-07-12 · guideVoltage drop workflowA practical sequence for using voltage-drop and cable-sizing tools with Australian metric inputs.
Review2026-07-12 · guideResult review checklistHow to read calculator outputs, assumptions, warnings and related tables before acting on a result.
Cable sizing2026-07-12 · guideVoltage drop in Australian cable calculationsA workflow guide for checking Australian cable voltage drop with project current, route length, voltage basis and cable data.
Cable sizing2026-07-12 · guideHow to size cable in AustraliaA practical guide for moving from load current to a traceable Australian cable-size candidate without replacing current standards or project review.
Cable sizing2026-07-12 · guideSubmain and consumer mains voltage dropA guide for allocating voltage drop across Australian consumer mains, submains and downstream circuits without turning the allocation into a final compliance decision.
Cable sizing2026-07-13 · guideCable derating without table copyingA workflow guide for recording cable derating sources and assumptions without turning AUWiring into a copied cable-table service.
Cable sizing2026-07-13 · guideCopper vs aluminium cable selectionA guide to recording material assumptions when comparing copper and aluminium cable candidates in Australian electrical worksheets.
Cable sizing2026-07-13 · guideVoltage drop vs current-carrying capacityHow to keep voltage-drop checks and current-carrying capacity checks separate when reviewing Australian cable candidates.
Power and load2026-07-13 · guideMaximum demand in Australian load worksheetsA workflow guide for preparing user-entered maximum-demand rows before using the AUWiring switchboard load calculator.
Power and load2026-07-13 · guideSwitchboard load schedule workflowA field-oriented guide to preparing Australian switchboard load rows before using maximum-demand and phase-balancing calculators.
Power and load2026-07-13 · guideSpare switchboard capacity reviewHow to record spare switchboard capacity assumptions before using maximum-demand and phase-balancing results in Australian project planning.
Power and load2026-07-13 · guidekW, kVA and power factor workflowHow to move between real power, apparent power and power factor before using Australian current, demand or correction calculators.
Power and load2026-07-13 · guidePower factor correction planningA workflow guide for using power-factor correction estimates without turning the result into selected correction equipment.
Power and load2026-07-13 · guideEnergy cost estimating assumptionsHow to prepare kWh, usage and tariff assumptions before using an Australian electrical running-cost calculator.
Protection and testing2026-07-13 · guideEarth fault loop impedance workflowHow to prepare loop impedance, voltage and entered review thresholds before using the Australian fault-loop impedance calculator.
Protection and testing2026-07-13 · guideProspective short-circuit current workflowA guide to preparing source impedance, transformer and breaking-capacity inputs before using the Australian short-circuit current calculator.
Protection and testing2026-07-13 · guideI2t cable withstand workflowHow to prepare fault current, clearing time and conductor assumptions before using an Australian I2t cable withstand worksheet.
Protection and testing2026-07-13 · guideEarthing and MEN system termsA guide to Australian earthing, protective conductor and MEN wording used around protection calculators and testing records.
Protection and testing2026-07-13 · guideRCD and RCBO test result workflowHow to prepare RCD, RCBO and safety switch test records before using the AUWiring entered-criteria test checker.
Protection and testing2026-07-13 · guideElectrical verification record structureHow to structure Australian electrical testing and verification rows before using protection and RCD calculators.
Protection and testing2026-07-13 · guideCircuit breaker and cable coordination contextA guide to keeping cable candidate, fault current and protective-device assumptions aligned before Australian protection review.
Protection and testing2026-07-13 · guideWhen manufacturer device data mattersHow to recognise protection questions that need manufacturer data, time-current curves or engineering review instead of a public calculator result.
Motors and transformers2026-07-13 · guideMotor full-load current workflowHow to prepare motor kW, voltage, phase, power factor and efficiency inputs before using the Australian full-load current calculator.
Motors and transformers2026-07-13 · guideMotor starting current workflowHow to prepare full-load current and starting-method assumptions before using the Australian motor starting current calculator.
Motors and transformers2026-07-13 · guideMotor start voltage dip workflowHow to prepare starting current, source impedance and voltage assumptions before using the Australian motor voltage-dip calculator.
Motors and transformers2026-07-13 · guideNameplate current vs calculated currentHow to compare motor nameplate current with calculated full-load current before using Australian motor worksheets.
Motors and transformers2026-07-13 · guideTransformer current and kVA workflowHow to prepare transformer kVA, voltage and phase inputs before using the Australian transformer current calculator.
Motors and transformers2026-07-13 · guideTransformer impedance and fault currentHow transformer kVA and percent impedance feed prospective fault-current worksheets for Australian electrical projects.
Motors and transformers2026-07-13 · guideTransformer sizing recordsHow to keep transformer load, current, kVA, impedance and review assumptions organised for Australian electrical project worksheets.
Solar, battery, EV and supply2026-07-13 · guidePV string voltage checksHow to prepare module, temperature and inverter limit inputs before using the Australian PV string voltage calculator.
Solar, battery, EV and supply2026-07-13 · guideInverter AC cable sizing workflowHow to prepare inverter current, phase, route length and cable data before using the Australian inverter AC cable voltage-drop calculator.
Solar, battery, EV and supply2026-07-13 · guideDNSP inverter connection contextHow to keep Australian DNSP, inverter, export and connection-condition fields beside solar and battery calculator results.
Solar, battery, EV and supply2026-07-13 · guidePV module data sheet inputsHow to collect PV module datasheet voltage fields before using Australian PV string voltage and inverter worksheets.
Solar, battery, EV and supply2026-07-13 · guideBattery cable voltage drop workflowHow to prepare battery current, DC voltage, route length and cable data before using the Australian battery cable voltage-drop calculator.
Solar, battery, EV and supply2026-07-13 · guideBattery cable protection recordsHow to organise battery cable, protection, BMS and product-data fields around Australian battery cable calculator results.
Solar, battery, EV and supply2026-07-13 · guideEV charger load planningHow to prepare charger rating, phase, voltage and planning factor inputs before using the Australian EV charger load calculator.
Solar, battery, EV and supply2026-07-13 · guideEV and maximum demandHow to carry EV charger load rows into Australian maximum-demand and switchboard-capacity worksheets without double counting.
Solar, battery, EV and supply2026-07-13 · guideWhen to contact DNSPPractical trigger points for separating AUWiring calculator records from Australian DNSP connection and supply discussions.
Lighting and estimating2026-07-13 · guideLighting circuit load planningHow to prepare luminaire quantity, watts, allowance, phase and grouping inputs before using the Australian lighting circuit load calculator.
Lighting and estimating2026-07-13 · guideOutdoor lighting IP rating contextHow to use IP rating records beside Australian outdoor lighting load and estimating worksheets without turning the table into product selection.
Lighting and estimating2026-07-13 · guideCable quantity estimating workflowHow to prepare route segments, repeated runs, spare length, waste allowance and unit cost before using the Australian cable quantity calculator.
Lighting and estimating2026-07-13 · guideElectrical labour and material notesHow to keep labour assumptions, material quantities and source notes separate from Australian calculator outputs.
Lighting and estimating2026-07-13 · guideCable waste factor recordsHow to record waste allowance, spare length, cutting loss and uncertainty before using Australian cable quantity worksheets.
Lighting and estimating2026-07-13 · guideElectrical quote worksheet boundariesHow to use Australian calculator outputs in a quote worksheet while keeping calculator rows separate from commercial quote decisions.
Power quality, generators and backup2026-07-13 · guideVoltage unbalance workflowHow to prepare comparable three-phase voltage measurements before using the Australian voltage unbalance calculator.
Power quality, generators and backup2026-07-13 · guideHarmonic THD workflowHow to prepare fundamental and harmonic RMS measurement records before using the Australian harmonic THD calculator.
Power quality, generators and backup2026-07-13 · guideVoltage sag and swell termsHow to record sag, swell, dip and interruption wording around Australian power-quality calculator records.
Power quality, generators and backup2026-07-13 · guideGenerator load and starting kVA workflowHow to prepare running load, selected motor start and comparison kVA before using the Australian generator load calculator.
Power quality, generators and backup2026-07-13 · guideMotor starting on generatorsHow to record motor-starting current, sequence and generator response assumptions for Australian backup supply worksheets.
Power quality, generators and backup2026-07-13 · guideBackup power recordsHow to organise generator, inverter, battery and backup-load assumptions around Australian public calculator outputs.
Power quality, generators and backup2026-07-13 · guideUPS runtime limitationsWhy UPS runtime needs product battery curves, load profile and operating conditions beyond public electrical calculator outputs.
Power quality, generators and backup2026-07-13 · guideUsing public electrical calculatorsHow to use AUWiring calculator, table, chart and guide pages as Australian worksheet aids without treating them as final project decisions.

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