How to Check MCB Is Good or Bad: Safe Signs and Tests
How to check MCB is good or bad: signs of a faulty breaker, safe checks at the board, MCB testing by an electrician, and what a replacement MCB costs.
MCBs, wiring and electrical safety
Which MCB for each circuit, RCCB vs ELCB, wire size for an AC, how to check earthing, what a 2BHK draws and when old wiring needs replacing: our guides to protecting a home’s wiring, with the MCBs, boxes and wire we make.
MCB, wire & safety guides
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Hotel Room Electrical Points: Layout and Switch Boards
Hotel room electrical points: the entry switch board, key card power, bedside and desk points, lighting layout, bathroom and foot lights, with our MRPs.
Hospital Call Bell System: Parts, Wiring and Price
Hospital call bell system guide: how a nurse call bell works, bell indicators and buzzers, a call bell for elderly at home, wiring, planning and our MRPs.
EV Charging Point at Home: Socket, MCB and Wiring
EV charging point at home: the 16A socket for an EV, which MCB and RCCB a charger needs, wire size, load, charging time and the parts we make in Mumbai.
Electrician Tools List: Basic Kit for Home and Site
Electrician tools list: testers, insulated hand tools, fixing tools, consumables and safety gear, a basic kit for home, and the testers and clips we make.
B Curve vs C Curve MCB: Difference and Which to Use
B curve vs C curve MCB: trip bands, D curve uses, which curve suits lights, sockets, ACs and pumps at home, long cable runs and how to read the curve.
Earth Wire Size for House Wiring, AC and Earth Pit
Earth wire size for a house: why it matches the phase, the earth wire for an AC, green wire sizes, the main earthing conductor and our VIYONA wire MRPs.
Kit Kat Fuse: 10A vs 16A, Fuse Wire and MCB Upgrade
Kit kat fuse explained: 10A vs 16A ratings, which fuse wire to fit, safe rewiring, why it keeps blowing and how to move to MCBs, with our MRPs.
FR vs FRLS Wire: Difference, HFFR and Which to Buy
FR vs FRLS wire: what flame retardant and low smoke mean, how HFFR differs, which wire is best for house fire safety, and our VIYONA FR PVC wire MRPs.
MCB Size Calculation: Formula, Rating Chart and Examples
MCB size calculation made simple: watts to amps, headroom, an MCB rating chart, which MCB for 3000 watts, three phase sums and the cable check.
3 Pole vs 4 Pole MCB: TP vs TPN and Which to Use
3 pole vs 4 pole MCB: TP vs TPN meaning, when a 4 pole MCB is used, when 3 pole is enough, switching the neutral, prices and three phase board needs.
Loose Neutral Symptoms: Signs, Dangers and What to Do
Loose neutral symptoms: lights brighter or dim, high voltage in the house, a burning neutral wire, failing appliances, why the MCB does not trip and what to do.
Shop Electrical Points: Layout, MCB Box and Sockets
Shop electrical points, planned: wiring layout, MCB box, showroom switch board, counter sockets, lights, signboard, chiller and night switch-off.
MCB in Switch Board: Tiny Trip Modular MCB Guide
MCB in switch board: when a modular Tiny Trip MCB is worth fitting, how to size it against the DB, MCB for AC points, and our KEMPS and VIZA MRPs.
MCB for Water Pump: Size for 1 HP and Submersible
MCB for water pump: how to size it from HP, which MCB for a 1 HP motor or a submersible pump, starter and isolator roles, and our MRPs for each part.
Single Pole vs Double Pole MCB: Difference and Uses
Single pole vs double pole MCB: what each cuts, SPN MCB meaning, when to use a DP MCB, price, board space and wiring, with our MRPs from Mumbai.
How to Replace MCB: Steps, Safety and Costs
How to replace MCB safely: picking the right rating, MCB installation in a DB step by step, adding a new circuit, common mistakes and replacement costs.
Copper vs Aluminium Wire: Which Is Better for Homes?
Copper vs aluminium wire for homes: which is better, why aluminium wiring in an old house overheats, joining the two, sizes, and our VIYONA copper wire MRPs.
When to Rewire a House: Old Wiring Signs to Act On
When to rewire a house: the old wiring signs that matter, aluminium wire, rubber insulation, no earth, fuse boards, overloaded circuits and the insulation test.
IS Code for Electrical Products: Standards List by Product
IS code for electrical products: IS 3854 switches, IS 1293 sockets, IS/IEC 60898-1 MCBs, LED, wire and box standards, and our licence numbers.
How to Check Earthing at Home: Safe Checks and Tests
How to check earthing at home: the signs you can look for, what a multimeter and earth tester show, normal earth voltage, and when to call an electrician.
Bathroom Electrical Points: Geyser, Exhaust and Switches
Bathroom electrical points: light, exhaust fan, geyser and socket, where each goes, switch outside or inside, geyser height, RCCB and our switch MRPs.
Difference Between RCCB and ELCB: Which Is Better?
Difference between RCCB and ELCB: voltage vs current-operated, which is better, 30 mA vs 100 mA, how both compare with an MCB, and what sits beside one.
RCCB Tripping Again and Again? Causes and Safe Fixes
RCCB tripping again and again? Sort the trips by pattern (one appliance, rain, random), then reset and test the RCCB safely. What never to do to stop it.
6kA vs 10kA MCB: What Breaking Capacity Means
6kA vs 10kA MCB: what breaking capacity and the kA rating mean, how to read it, where 4.5, 6 and 10 kA fit, and our 10 kA MCB prices from Mumbai.
Difference Between Earthing and Grounding Explained
The difference between earthing and grounding is mostly the word. What each connection does, system vs equipment earthing, bonding, neutral and our sockets.
Kitchen Electrical Points: Sockets, Chimney, Hob and RO
Kitchen electrical points by appliance: fridge, chimney, hob, RO, microwave and oven, which need 16A, socket height, and the MRPs of the sockets we make.
Electrical Insulation Tape: Uses, Colours and Wire Joints
Electrical insulation tape explained: PVC tape uses, what the colours mean, whether tape is enough for a wire joint, how to tape one, and where never to.
House Wiring Cost per Sq Ft: 2BHK Material List at MRP
House wiring cost per sq ft, worked for a 2BHK: wire, MCBs, board, switches and lights at our MRPs, about ₹74 per sq ft in materials; labour quoted locally.
SPN vs TPN Distribution Board: Meaning and Which to Buy
SPN vs TPN distribution board: SPN for single phase, TPN for three phase. What each means, price gap, ways for a 2BHK, double door DBs and incomers.
Difference Between MCB and MCCB: Ratings and Uses
Difference between MCB and MCCB: full forms, current and kA ranges, where each is used, MCB vs RCBO and RCCB, plus our 10 kA MCB prices from Mumbai.
How to Use a Line Tester: Steps, Neutral Glow and Limits
How to use a line tester safely: prove-test-prove, checking current at a socket, why it glows on neutral, what it cannot show, and our ₹36 VIYONA tester.
Electrical Checklist for New Flat: Possession Day Guide
Electrical checklist for a new flat: DB, earthing, every switch and socket, 16A points and the papers to ask for before you sign the possession letter.
Washing Machine Giving Shock? Causes and What to Do
Washing machine giving shock? The two faults behind it, how to find the cause by pattern, fridge and switch board tingles, what to do now and the parts to fix.
Electrical Load Calculation for House: 2BHK Example
Electrical load calculation for house wiring: connected load, peak demand and kW for a 2BHK, worked step by step, then turned into amps and a main MCB.
DB Box vs MCB Box: Are They the Same Thing?
DB box vs MCB box: the same thing in most homes. How they differ from a switchboard, switchgear and consumer unit, what goes inside, and our box prices.
Which Wire for AC? Wire Size for AC and Geyser Circuits
Which wire for AC and geyser circuits: why the MCB sets the size, 1.5 vs 2.5 vs 4 sq mm from our catalogue table, long runs, grouping and what the wire costs.
Voltage Stabilizer for AC and Fridge: Do You Need One?
Voltage stabilizer for AC and fridge: normal voltage in India, why it fluctuates, what to do, stabilizer vs spike guard, and sizing for 1.5 and 2 ton ACs.
Single Phase vs Three Phase: Home Connection Guide
Single phase vs three phase for Indian homes: 230 V vs 400 V, when you need 3 phase, splitting loads, sanctioned load on your bill and kW vs kVA with formulas.
Short Circuit at Home: Causes, Fire and What to Do
Short circuit at home: common causes, warning signs, what to do in an electrical fire (never water, CO2 or ABC extinguisher, call 101), and how to prevent it.
Inverter for Home: How to Choose, Size and Connect
Inverter for home: size it in VA from your load, work out battery backup hours, tubular vs flat plate, sine wave, and a safe connection with its own MCB.
How to Calculate Electricity Bill: Formula and Units
How to calculate electricity bill in India: units = watts × hours ÷ 1000, meter readings, slabs, fixed charge, duty, and a fully worked 359-unit example.
Home Electrical Maintenance Checklist for India
Home electrical maintenance checklist: monthly to five-yearly checks, signs old house wiring needs rewiring, what rewiring cost depends on, and a new-home list.
Electric Shock First Aid: Steps, Chart and Prevention
Electric shock first aid in order: switch off, separate safely, call 112 or 108, check breathing, CPR if trained, then a medical check. Chart and prevention.
Appliance Power Consumption Chart: Units per Hour
Appliance power consumption chart for Indian homes: typical watts and units per hour or day for AC, fridge, geyser, induction, fan, iron, TV and LED lamps.
Types of Wiring System: Diagram, Uses and Comparison
Types of wiring system for ITI students: cleat, casing-capping, batten and conduit compared, a single-phase house wiring diagram, and the switches each takes.
Types of Earthing: Plate, Pipe, Rod and Chemical
Types of earthing for ITI students: plate, pipe, rod, strip and chemical earthing with pit diagrams, IS 3043 sizes, and how to check earthing with a multimeter.
Phase, Neutral and Earth: Difference and Colour Code
Phase, neutral and earth explained: what each wire does, the voltages between them, why neutral is not safe, India wire colour codes and how to test each.
MCB Working Principle: How It Works, Fuse vs MCB
MCB working principle for students: bimetal strip for overload, magnetic coil for short circuit, arc chute, 10 kA, poles, trip curves and fuse vs MCB with MRPs.
MCB Box Size List: 1 Way to 18 Way, With Prices
Every MCB box size we make, 1 to 18 way, with code and MRP, plus how many ways a 1BHK, 2BHK or 3BHK needs, SPN vs TPN and single vs double door boxes.
Isolator vs MCB: Difference, Uses and Which You Need
Isolator vs MCB vs RCCB: what each one does, which your main switch needs, single vs 3 phase, 40A vs 63A, symbols, how to identify them and our MRPs.
Switch Board Wiring Diagram: Connections Explained
Switch board wiring diagram with four drawings: phase to each switch, indicator, fan regulator, 3 pin socket and a full 8M bedroom board, with codes and MRPs.
Best MCB Box Brand in India: How to Choose (2026)
Best MCB box brand in India: the national distribution board brands, A to Z, and what separates them — SPN vs TPN, ways, IP rating, busbar and earth bar.
Best Wire Brand in India for Home: What to Check (2026)
Best wire brand in India for home: nine national house wire brands, listed A to Z, and what separates them — IS 694 licence, copper, FR vs FR-LSH, size, length.
Best MCB Brand in India: How to Compare Them (2026)
Best MCB brand in India: the national brands that sell MCBs, listed alphabetically, and what separates them — BIS licence, 6 vs 10 kA, B vs C curve, poles.
House Wire Price List, Sizes and Current Capacity
House wire price list at MRP for 0.75 to 6 sq mm, price per metre, current capacity by size, FR vs FRLS, and how to judge any coil of copper house wire.
MCB Manufacturers in India: How to Choose One, and What We Make in Mumbai
MCB manufacturers in India: how to judge a maker, and the VIYONA 10 kA MCBs, isolators and boxes we make in Mumbai, with MRPs and how to buy from us directly.
MCB for 1, 1.5 and 2 Ton AC: Which Rating to Use
Which MCB for a 1 ton, 1.5 ton or 2 ton AC: the typical rating, single vs double pole, inverter vs fixed-speed, and the socket or switch that goes with it.
Which MCB for Home: Main Line, Geyser and Switch Board
Which MCB for home use: the rating for lights, sockets, geyser, AC and the main line, single vs double pole, what 10 kA means, and how many MCBs a 2BHK needs.
Switch Getting Hot or Socket Sparking? What It Means and What to Do
Switch getting hot or socket sparking? Which signs are normal, the usual causes in Indian homes, and what to do right now — safely, without touching live wiring.
How to Spot a Counterfeit ISI Mark Before You Stock It
A dealer’s check for counterfeit ISI marks on switches, sockets and MCBs: the CM/L licence number, the BIS database, and the tells you can see in the hand.
Quality Control in Electrical Industry: Our 5-Step Process
How quality control in the electrical industry works: our five steps from raw material to carton, the standards behind them, and how to check a switch yourself.
Electrical Safety Tips at Home: A Practical Guide for Indian Households
Electrical safety tips at home for Indian households: certified fittings, MCB and RCCB, overloading, monsoon checks, child safety and what to do after a shock.
MCB Tripping Again and Again? Causes, Checks and Fixes
MCB tripping again and again? Read the pattern: overload, short circuit, earth leakage, AC compressor surge or a worn breaker, and when to call an electrician.