https://elecas.com.au/ 2026-08-10 https://elecas.com.au/og-home.jpg?v=2 Free Australian Electrical Calculators | AS/NZS 3000 ElecAS share card: "Design to the Standard. Free." with a panel showing 18+ free calculators, cable data and automated test counts. https://elecas.com.au/ai 2026-08-13 https://elecas.com.au/og-ai.jpg?v=2 AI Mode | Electrical Calculations in Plain English | ElecAS ElecAS AI Mode share card: a plain-English cable sizing request returning 16 mm² Cu, labelled "not generated" because a verified engine produced it. https://elecas.com.au/ai/how-it-works 2026-07-31 https://elecas.com.au/og-ai-how-it-works.jpg?v=2 How AI Mode Works | The Model Never Does the Maths | ElecAS ElecAS share card showing the four-step AI Mode pipeline — describe, select, calculate, report — with only the "select" step marked as the model step. https://elecas.com.au/calculator/switchboard-sizing 2026-08-14 https://elecas.com.au/og-switchboard-sizing.jpg?v=2 Switchboard Sizing Calculator | AS/NZS 61439 | ElecAS ElecAS switchboard sizing share card: a four-bay Form 3b elevation sketch measuring 2,400 by 2,200 by 600 mm. https://elecas.com.au/calculator/max-demand 2026-08-10 https://elecas.com.au/og-max-demand.jpg?v=2 Maximum Demand Calculators | Table C1, C2 & C3 | ElecAS ElecAS maximum demand share card: Tables C1, C2 and C3 side by side with a worked result of 125 A per phase from Table C1. https://elecas.com.au/calculator/c1 2026-08-14 https://elecas.com.au/og-table-c1.jpg?v=2 Table C1 Calculator | Domestic Maximum Demand | ElecAS ElecAS Table C1 share card: a domestic load-group table with column 3 highlighted and a worked maximum demand of 86 A over 12 units. https://elecas.com.au/calculator/c2 2026-08-14 https://elecas.com.au/og-table-c2.jpg?v=2 Table C2 Calculator | Non-Domestic Maximum Demand | ElecAS ElecAS Table C2 share card: a non-domestic load-group table with both occupancy columns and a worked maximum demand of 287 A for an office. https://elecas.com.au/calculator/c3 2026-08-14 https://elecas.com.au/og-table-c3.jpg?v=2 Table C3 Calculator | Energy Demand Method VA/m² | ElecAS ElecAS Table C3 share card: floor-area plan with 8,600 m² at 48 VA/m² giving a worked energy demand of 413 kVA. https://elecas.com.au/calculator/voltage-drop 2026-08-14 https://elecas.com.au/og-voltage-drop.jpg?v=2 Voltage Drop Calculator | AS/NZS 3008 & 3000 | ElecAS ElecAS voltage drop share card: "Five percent. Not a volt more." with a worked 2.84% cumulative drop passing the AS/NZS 3000 Clause 3.6 limit. https://elecas.com.au/calculator/arc-flash 2026-08-14 https://elecas.com.au/og-arc-flash.jpg?v=2 Arc Flash Calculator | IEEE 1584 Incident Energy | ElecAS ElecAS arc flash share card: a worked 6.8 cal/cm² incident energy at 450 mm, PPE Category 2, with a 1.42 m arc flash boundary. https://elecas.com.au/calculator/lightning-risk 2026-08-14 https://elecas.com.au/og-lightning-risk.jpg?v=2 Lightning Risk Assessment Calculator | AS 1768-2021 | ElecAS ElecAS lightning risk share card: a computed risk of loss of 0.6e-5 against a 1.0e-5 tolerable limit, so protection is not required. https://elecas.com.au/calculator/voltage-rise 2026-08-14 https://elecas.com.au/og-voltage-rise.jpg?v=2 Voltage Rise Calculator | AS/NZS 4777.1 Solar PV | ElecAS ElecAS voltage rise share card: a PV array, inverter and point of supply chain with a worked 1.51% rise passing the AS/NZS 4777.1 2% limit. https://elecas.com.au/calculator/cable-selection 2026-08-14 https://elecas.com.au/og-cable-selection.jpg?v=2 Cable Size Calculator Australia | AS/NZS 3008 | ElecAS ElecAS cable selection share card: a worked 16 mm² Cu V-90 result with 1.04% voltage drop and an 80 A derated current rating. https://elecas.com.au/calculator/correction-factor 2026-08-14 https://elecas.com.au/og-correction-factor.jpg?v=2 Correction Factor Calculator | Cable Derating | ElecAS ElecAS cable derating share card: ambient, grouping and soil factors combining to 0.69, taking a 115 A table rating down to 79 A. https://elecas.com.au/calculator/conduit-sizing 2026-08-14 https://elecas.com.au/og-conduit-sizing.jpg?v=2 Conduit Sizing Calculator Australia | AS/NZS 3000 Fill | ElecAS ElecAS conduit sizing share card: a worked 32 mm PVC conduit carrying four 16 mm² cables at a 37% space factor, within the 40% limit. https://elecas.com.au/calculator/cable-tray 2026-08-14 https://elecas.com.au/og-cable-tray.jpg?v=2 Cable Tray Calculator Australia | AS/NZS 3000 | ElecAS ElecAS cable tray share card: a worked 150 mm perforated tray holding four 25 mm² cables flat and touching, using 113 mm of width. https://elecas.com.au/calculator/earth-cable-size 2026-08-14 https://elecas.com.au/og-earthing.jpg?v=2 Earthing Cable Size Calculator | Table 5.1 | ElecAS ElecAS earthing share card: an earth symbol beside a 25 mm² Cu active conductor giving a 6 mm² minimum earth from AS/NZS 3000 Table 5.1. https://elecas.com.au/calculator/converter 2026-08-10 https://elecas.com.au/og-converter.jpg?v=2 Electrical Unit Converter | Amps, kW, kVA & HP | ElecAS ElecAS unit converter share card: 63 A converted to 41.9 kW, 46.5 kVA and 54.5 HP at 400 V three-phase. https://elecas.com.au/calculator/pfc 2026-08-14 https://elecas.com.au/og-power-factor.jpg?v=2 Power Factor Correction Calculator Australia | ElecAS ElecAS power factor correction share card: 0.82 corrected to 0.98 with a worked 142 kVAR capacitor bank in three steps. https://elecas.com.au/calculator/generator-sizing 2026-08-14 https://elecas.com.au/og-generator-sizing.jpg?v=2 Generator Sizing Calculator | Motor Starting & Fuel | ElecAS ElecAS generator sizing share card: a worked 275 kVA standby genset with 390 kVA motor starting and a 990 L fuel tank. https://elecas.com.au/calculator/ups-battery 2026-08-14 https://elecas.com.au/og-ups-battery.jpg?v=2 UPS Battery Sizing Calculator | IEEE 485 & 1184 | ElecAS ElecAS UPS battery share card: an 80 kW critical load for 30 minutes sized to two strings of 40 LiFePO4 cells on a 480 V DC bus. https://elecas.com.au/calculator/solar-roi 2026-08-14 https://elecas.com.au/og-solar-roi.jpg?v=2 Solar & Battery ROI Calculator | Payback, NPV & IRR | ElecAS ElecAS solar and battery ROI share card: a 25-year cumulative cash-flow chart with 4.8 year payback, $18.4k NPV and 19% IRR. https://elecas.com.au/calculator/led-inrush 2026-08-14 https://elecas.com.au/og-led-inrush.jpg?v=2 LED Inrush Current Calculator | Fittings per MCB | ElecAS ElecAS LED inrush share card: an inrush waveform with 22 A peak giving a maximum of 34 fittings on a 16 A C-curve breaker. https://elecas.com.au/elecad 2026-08-15 https://elecas.com.au/og-elecad.jpg?v=2 EleCAD | Free Online Single Line Diagram Software | ElecAS EleCAD share card: a single line diagram with a supply, switchboard and three outgoing ways, each cable carrying real AS/NZS 3008 data. https://elecas.com.au/powercad-alternative 2026-08-01 https://elecas.com.au/og-powercad-alternative.jpg?v=2 EleCAD | Free PowerCAD Alternative for Australia ElecAS comparison share card: EleCAD as a free browser-based single line diagram tool set against desktop PowerCAD. https://elecas.com.au/about 2026-07-31 https://elecas.com.au/og-about.jpg?v=2 About ElecAS | Platform & Creator ElecAS about share card: Wisam Tozah, electrical engineer in Sydney, with counts of 18+ free tools and 1,800+ automated tests. https://elecas.com.au/creator 2026-07-31 https://elecas.com.au/og-creator.jpg?v=2 Meet the Creator | Wisam Tozah CPEng | ElecAS ElecAS creator share card: Wisam Tozah, CPEng NER, with registration badges and a note that every calculator is engineer-reviewed. https://elecas.com.au/pricing 2026-08-11 https://elecas.com.au/og-pricing.jpg?v=2 ElecAS Pricing | Free AS/NZS Calculators, Pro & AI Pro Plans ElecAS pricing share card: Free, Pro and AI Pro plans side by side, with every calculator free on every plan and a 14-day trial. https://elecas.com.au/changelog 2026-08-12 https://elecas.com.au/og-changelog.jpg?v=2 Changelog | Latest Updates | ElecAS ElecAS changelog share card: a list of recent new, fixed and improved entries, noting only user-visible changes are listed. https://elecas.com.au/contact 2026-07-31 https://elecas.com.au/og-contact.jpg?v=2 Contact ElecAS | Support, Bugs & Feedback ElecAS contact share card: a message form addressed to the engineer who builds the tools. https://elecas.com.au/terms 2026-07-31 https://elecas.com.au/og-terms.jpg?v=2 Terms of Use | ElecAS Electrical Design Suite ElecAS terms of use share card: a plain-English terms document noting core tools are free and you remain the engineer of record. https://elecas.com.au/privacy 2026-07-31 https://elecas.com.au/og-privacy.jpg?v=2 Privacy Policy | ElecAS Electrical Design Suite ElecAS privacy share card: minimal-by-design data practices with aggregate analytics, optional accounts and no ad tracking pixels. https://elecas.com.au/verification 2026-08-12 https://elecas.com.au/og-verification.jpg?v=2 Calculation Verification | ElecAS Electrical Design Suite ElecAS verification share card: 1,800+ automated tests per build, checked against the standards’ worked examples and peer reviewed. https://elecas.com.au/useful-links 2026-07-31 https://elecas.com.au/og-useful-links.jpg?v=2 Useful Links | Electrical Engineering Tools | ElecAS ElecAS useful links share card: curated external references for standards, regulators, DNSP service rules and industry bodies. https://elecas.com.au/design-guide 2026-07-31 https://elecas.com.au/og-design-guide.jpg?v=2 Electrical Design Guides | AS/NZS & NCC | ElecAS ElecAS design guides share card: solar voltage rise and emergency lighting guides, each paired with a live calculator. https://elecas.com.au/design-guide/voltage-rise 2026-08-01 https://elecas.com.au/og-guide-voltage-rise.jpg?v=2 Voltage Rise Design Guide | AS/NZS 4777.1 Solar | ElecAS ElecAS voltage rise guide share card: a four-step walkthrough of the AS/NZS 4777.1 2% limit with a worked 1.51% example. https://elecas.com.au/design-guide/emergency-lighting 2026-07-04 https://elecas.com.au/og-guide-emergency-lighting.jpg?v=2 Emergency Lighting Design Guide | AS/NZS 2293.1 & NCC E4 ElecAS emergency lighting guide share card: an exit sign and luminaire spacing layout set out to the AS/NZS 2293.1 tables.