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Electrical Cable and Voltage Drop Buying Guide
Verified 2026-09-05 · By VUKAR Editorial Team
Buy the size on your electrician's checked circuit plan. These two black 90 m coils are different conductor sizes.
- Need 1.5 sq mm on the checked plan? Match the exact 1.5 model.
- Need 2.5 sq mm? Match the 2.5 model; do not replace it with 1.5.
- Both listed variants are black, 90 m, and rated 1100 V AC.
- Check voltage drop, safe current, protection, and installation together.
What does Superio+ mean?
- Superio+ is V-Guard's series name, not a wire size.
- Sq mm means square millimetres: the metal conductor's cross-sectional area, not its outside diameter.
- HRFR means heat-resistant flame-retardant insulation. It does not mean the wire cannot burn.
- PVC is the plastic insulation around the conductor. A 90 m coil states length, not the safe circuit length.
Take these details to your electrician
- List the appliances that may run together, including their starting loads.
- Measure the one-way route from the supply point to the load.
- Record conduit, heat, grouped wires, wet areas, and terminal sizes.
- Ask for the chosen conductor size, protective device, and permitted voltage drop in writing.
- Get exact resistance and reactance data for the proposed cable before using the calculator.
Two exact black 90 m coils
| Check | Superio+ 1.5 | Superio+ 2.5 |
|---|---|---|
| Conductor area | 1.5 sq mm | 2.5 sq mm[S1] [S2] |
| Order label | 1.5 SQ MM BK 90 MTRS - SUPERIO+ | 2.5 SQ MM BK 90 MTRS - SUPERIO+[S1] [S2] |
| Coil length | 90 m | 90 m[S1] [S2] |
| Colour | Black | Black[S1] [S2] |
| Listed voltage rating | 1100 V AC | 1100 V AC[S1] [S2] |
| Purchase check | Exact 1.5 size and pincode | Exact 2.5 size and pincode[S1] [S2] |
Products you can evaluate
These exact variants are reference choices, not rankings. Confirm the circuit design, model, price, delivery, and terms.
V-Guard
Superio+ 1.5 sq mm HRFR house wire, black, 90 m
Exact model/variant: 1.5 SQ MM BK 90 MTRS - SUPERIO+
Use when the reviewed circuit plan specifies this exact 1.5 sq mm house-wire variant.[S1]
- 1.5 sq mm conductor area
- Black, 90 m coil
- 1100 V AC listed
Price: Check current price and pincode availability on the official store.
Seller: V-Guard official India store · checked 2026-09-05
Check current price and stockV-Guard
Superio+ 2.5 sq mm HRFR house wire, black, 90 m
Exact model/variant: 2.5 SQ MM BK 90 MTRS - SUPERIO+
Use when the reviewed circuit plan specifies this exact 2.5 sq mm house-wire variant.[S2]
- 2.5 sq mm conductor area
- Black, 90 m coil
- 1100 V AC listed
Price: Check current price and pincode availability on the official store.
Seller: V-Guard official India store · checked 2026-09-05
Check current price and stockWhat still needs checking?
| Check | Plain meaning | Ask for |
|---|---|---|
| Safe current | Current the installed wire can carry without overheating | Rating adjusted for heat, grouping, and installation[S3] |
| Voltage drop | Voltage lost along the wire route | A calculation at the actual load and route[S3] |
| Resistance / reactance | Cable values used in an AC drop calculation | Manufacturer values with units and temperature[S3] |
| Fault protection | Protection must clear a fault before cable damage | Cable and breaker coordination[S3] [S4] |
A small voltage drop is only one check
- Pause here: a calculator result is not permission to install the wire.
- Use the same load, route, and phase arrangement for each candidate.
- The linked tool asks for one-way length. Do not double it before entry.
- The store pages do not give enough impedance data to calculate an exact drop for these coils.
- Do not enter invented resistance or reactance just to obtain a result.
Ask before paying
- Does the invoice name the exact Superio+ size, black colour, and 90 m length?
- Is the coil sealed, and does its marking match the order?
- Can you provide the current datasheet, conductor data, and installation limits?
- Which wire colours are required for each conductor in my installation?
- What are today's full price, delivery date, return terms, and damage process?
- Will my electrician approve this exact item before opening the coil?
Compare the same purchase
- Compare the same length, colour, tax basis, and delivery address.
- The two variants have different conductor areas. Price alone cannot show whether either fits your circuit.
- The official pages offer Buy now and a pincode check. Confirm the final total before payment.
- No fixed price is copied here because checkout terms can change.
Let a qualified electrician choose and install it
Do not choose wire only by appliance name or this table. Cable size, protection, earthing, connections, and installation need one checked design.[S3] [S4]
These house-wire examples do not establish suitability for submerged pumps, outdoor exposure, buried routes, or every industrial circuit.[S3] [S4]
Quick questions
Does 1100 V mean it carries more current?
No. Voltage rating and safe current are different checks. The safe current depends on the conductor and its installed conditions.[S1] [S2] [S3]
This comparison covers only the listed models, criteria, sources, and verification date. Omission or missing public data is not a negative judgement about any brand.
References used for this guide
- Superio+ 1.5 sq mm black 90 m official specifications — V-Guard; accessed 2026-09-05
- Superio+ 2.5 sq mm black 90 m official specifications — V-Guard; accessed 2026-09-05
- Low-voltage installations: cable and protection selection — Research Designs and Standards Organisation, Ministry of Railways; accessed 2026-09-05
- Electrical safety regulations 2023 — Central Electricity Authority; accessed 2026-09-05
