# Services from electrical-calc.x402tookit.com on Zero

> electrical-calc.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/electrical-calc.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/electrical-calc.x402tookit.com/health.json

## Services

- [Electrical Calculators – Transformer Sizing](https://www.zero.xyz/c/electrical-calculators-transformer-sizing-e1ae9efe/llms.txt): $0.02/call via x402. Calculates transformer kVA requirement with margin, selects the next standard size, and computes primary and secondary full-load currents.
- [Electrical Calculators – Battery Bank Sizing](https://www.zero.xyz/c/electrical-calculators-battery-bank-sizing-6af214c1/llms.txt): $0.02/call via x402. Calculates battery bank series/parallel configuration and runtime from load, system voltage, battery specs, depth of discharge, and efficiency.
- [Electrical Calculators – Energy Cost Calculator](https://www.zero.xyz/c/electrical-calculators-energy-cost-calculator-efd91a1a/llms.txt): $0.02/call via x402. Calculates energy consumption in kWh and its monetary cost from flat-rate or tiered block pricing, with optional demand charge and fixed fee.
- [AC Series RLC Circuit Calculator](https://www.zero.xyz/c/ac-series-rlc-circuit-calculator-740b070b/llms.txt): $0.02/call via x402. Computes impedance, phase angle, current, reactances, power, resonant frequency, Q-factor, and bandwidth for a series R, L, C circuit at a given AC frequency.
- [Power Factor Correction Calculator](https://www.zero.xyz/c/power-factor-correction-calculator-efb051be/llms.txt): $0.02/call via x402. Calculates the capacitor kVAR needed to correct a lagging power factor from one value to another, along with new kVA, current, and per-phase capacitance.
- [Three-Phase Power Calculator](https://www.zero.xyz/c/three-phase-power-calculator-a7a1ad21/llms.txt): $0.02/call via x402. Calculates balanced three-phase kW, kVA, kVAR, power factor, and line/phase currents from voltage and one of current, kW, or kVA.
- [Electrical Calculators – Wire Resistance](https://www.zero.xyz/c/electrical-calculators-wire-resistance-5058d1f0/llms.txt): $0.02/call via x402. Calculates wire resistance using R = ρL/A for copper or aluminium at a given temperature, or corrects a known resistance to a new temperature.
- [Electrical Calculators – Voltage Drop](https://www.zero.xyz/c/electrical-calculators-voltage-drop-df0fae63/llms.txt): $0.02/call via x402. Calculates voltage drop across a copper or aluminium conductor for single or three-phase systems, given conductor size (mm² or AWG), length, current, and temperature.

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