Resources & Guides
Free reference charts, wiring guides and standards explainers for Indian house wiring — charts, guides and standards explainers, free to read online.
Charts & Tables
Cable Derating Factors Chart (Temperature & Grouping)How ambient heat and bunching reduce a cable's safe current rating.Read →Download PDF
House Wire Fire-Performance Chart: What Good Looks LikeThe four measured fire-safety parameters, what each one means, and the values worth insisting on.Read →
How Much Wire Does a Home Need? (Estimator)A rough starting estimate of house wire required by home size.Read →Download PDF
kW to Cable Size: Motor & Load Cable Sizing ChartConvert a load in kilowatts to an approximate current and copper cable size, single and three-phase.Read →Download PDF
SWG / AWG to sq mm Conversion ChartConvert wire gauge (SWG/AWG) to the sq mm sizes used on Indian cables.Read →Download PDF
Wire Size for Home Appliances (AC, Geyser, EV Charger, Pump)A quick chart of the recommended copper house-wire size and MCB for common home appliances.Read →Download PDF
House-Wire Current-Rating (Ampacity) ChartCurrent-carrying capacity of copper house wires (IS 694, 1100 V), with derating factors.Read →Download PDF
Household Load to Wire-Size Selection GuideWhich copper wire size (sq mm) to use for common Indian household circuits and appliances.Read →Download PDF
Indian Wire Colour-Code ChartPhase, neutral and earth wire colours under the old and the new (IEC) Indian conventions.Read →Download PDF
Cable Voltage-Drop Reference TableVoltage-drop values (mV/A/m) for copper house wires, with the 3% limit and a worked example.Read →Download PDF
MCB Rating to Wire-Size ChartMatch the circuit-breaker (MCB) rating to the correct copper house-wire size.Read →Download PDF
Conduit Fill Chart for House WiresHow many house wires fit safely in a conduit - based on the 40% fill rule.Read →Download PDF
Copper vs Aluminium Wire: Comparison TableHow copper and aluminium conductors compare - conductivity, weight, cost and best use.Read →Download PDF
Guides
Distribution Board (DB) Wiring GuideHow a home distribution board is organised for safety and load balance.Read →Download PDF
Earthing & Grounding Guide for HomesWhy home earthing matters and how the earth conductor is sized.Read →Download PDF
EV Home Charger Wiring Guide (3.3 kW & 7.4 kW)The cable size, MCB and protection a home EV charger needs — for 3.3 kW and 7.4 kW units.Read →Download PDF
Home Electrical Load Calculation Guide (kW to Wire Size)Add up your appliance loads and translate the total into the right wire size.Read →Download PDF
House Wire Buying Checklist (2026)Twelve checks to run before house wire goes into your walls — printed so you can take it to the shop.Read →
Multicore / Flexible Cable Selection GuideChoosing the right multicore flexible cable for appliances, pumps and machines.Read →Download PDF
Rooftop Solar Cable Sizing Guide (DC & AC)How to size the DC and AC cabling for a rooftop solar system.Read →Download PDF
Structured Cabling Basics: LAN, CCTV & CATVA quick primer on data, surveillance and cable-TV wiring for homes and offices.Read →Download PDF
Submersible Pump Cable Selection Guide (by HP)Which flat submersible cable size to use for borewell pumps, by motor rating.Read →Download PDF
Three-Phase vs Single-Phase Home WiringWhen a home needs a three-phase connection, and how the wiring differs from single-phase.Read →Download PDF
When to Rewire: Home Wiring Health ChecklistWarning signs that home wiring is ageing and due for replacement.Read →Download PDF
How to Read a House-Wire LabelDecode the markings printed on a house wire - grade, voltage, standard and the ISI mark.Read →Download PDF
Home Wiring Good-Practice GuideA practical homeowner's guide to safe, fire-resistant house wiring in India.Read →Download PDF
FR, FRLS, HR-FR-LSH or HFFR: Which Wire to ChooseA decision guide to the fire-safety grades of house wire - and which suits your building.Read →Download PDF
How to Spot Fake or Sub-Standard WireSimple checks to tell genuine, certified house wire from counterfeit or under-spec wire.Read →Download PDF
A-Z Glossary of Cable & Wire TermsPlain-English definitions of the cable and wiring terms you will come across.Read →Download PDF
Standards
IS 694 vs IS 17048: House-Wire Standards ExplainedWhat the two key Indian house-wire standards cover — and which wire suits your building.Read →Download PDF
House-Wire IS Standards Quick-ReferenceThe key Indian Standards (IS) for house wires and cables - and what each one covers.Read →Download PDF