VoltMaster

The essential tool for the discerning electrician.

No more paper charts and rough calculations on a napkin. VoltMaster is the go-to tool for safely sizing your electrical installations, in accordance with the NF C 15-100 standard.

Designed for electricians, tradespeople, and engineering firms, this application works offline (perfect for sites without network access) and is completely ad-free.

⚡ WHY CHOOSE VOLTMASTER?

1. PRECISE CABLE SIZE CALCULATION Simply enter the length and current (or power): the application instantly provides the recommended cable size (copper), taking into account the permissible voltage drop.

2. PROFESSIONAL TECHNICAL REPORT Don't just settle for a result. Generate a complete technical datasheet with a single click. Send a detailed report to your clients or colleagues via SMS, WhatsApp, or email, including:

Voltage (Single/Three-phase)

Current and estimated power (kW)

Cable length

Cross-section (mm²)

Calculated actual voltage drop (%)

3. SAFETY FIRST The application uses the "hot" resistivity of copper (ρ = 0.023) to guarantee a maximum safety margin, exceeding simple theoretical calculations.

🛠 KEY FEATURES: ✅ Supports Single-phase (230V) and Three-phase (400V) ✅ Real-time voltage drop calculation ✅ Compliance alerts (Green/Red) based on your objectives ✅ Dark Mode interface to save battery on the job site ✅ No ads, no subscription: Pay once, use for life.

👷 WHO IS IT FOR?

Professional electricians: Validate your cable choices instantly in front of the client.

Tradespeople: Secure your quotes with reliable calculations.

Apprentices & DIYers: Learn to size cables like a pro, without errors.

Stop taking risks with electrical safety. Download VoltMaster and carry your technical expert in your pocket.