Wire & Load vs Estimate Maker

Stop guessing the right wire size. Wire & Load is the no-internet-needed reference every electrician and maintenance tech wants in their pocket. GET AN INSTANT RECOMMENDATION for AWG / mm² wire size, voltage drop percentage, and the matching standard circuit breaker — driven by NEC 2023 / 75°C ampacity tables and the 240.6(A) breaker series. WHAT'S INSIDE • Voltage-drop calculator — single- and three-phase, copper or aluminum • Configurable voltage-drop limit (0.5% – 10%) • NEC 240.4(B) next-size-up breaker rule applied automatically • 60°C limits for 14/12/10 AWG copper and 12/10 AWG aluminum pre-applied per NEC 240.4(D) • Continuous-load (≥ 3 hr) 1.25× multiplier toggle • Power-mode input — enter watts and power factor, the app derives the working current OFFLINE REFERENCE TABLES • AWG ↔ mm² ↔ diameter (ASTM B258) • Copper and aluminum ampacity (NEC 310.16, 75°C) • Standard breaker sizes (NEC 240.6(A)) • Motor starting inrush multipliers — DOL, star-delta, soft starter, VFD (NEMA MG-1) DESIGNED FOR THE FIELD • Works on any job site, no signal needed • Search built into every reference table • Both AWG and mm² always shown on results • Switch between metric (mm² / m) and imperial (AWG / ft) • Localized in English, Spanish, Japanese, French, German, and Portuguese PRIVACY FIRST No accounts. No analytics. No ads. No tracking. Your inputs never leave your device. PRICING Try Wire & Load free for 7 days. After that, unlock lifetime access for a single $1.99 purchase — no subscription, no recurring charges, free updates. DISCLAIMER This app provides general reference information based on commonly-used electrical engineering tables and formulas. Results are estimates and do not constitute professional engineering advice. Always follow the electrical code applicable in your jurisdiction and consult a licensed electrician or engineer.

Estimate Maker helps contractors, tradespeople, and freelancers turn a job into a clean, professional estimate in under a minute — then send it as a polished PDF your client can approve. BUILD A QUOTE IN SECONDS • Add line items with quantity, unit price, and units (hr, ea, sq ft) • Tax and discounts total up automatically — no math, no mistakes • Reuse your business header, saved clients, and a catalog of common items SEND A PROFESSIONAL PDF • Export a clean PDF and share it anywhere • Choose from professional document layouts • Add your own logo (Pro) STAY ORGANIZED • Track every quote: Draft, Sent, Accepted, Declined • Search and filter your estimates • Turn an accepted estimate into an invoice PRIVATE BY DESIGN • No account required — start right away • Works fully offline • Your estimates and clients never leave your device Estimate Maker is free to use. A Pro subscription unlocks unlimited saved estimates, your own logo, premium layouts, PDFs with no footer credit, and an ad-free experience. Subscriptions renew automatically unless canceled at least 24 hours before the period ends; manage or cancel anytime in your App Store account settings. Terms of Use: https://zeroplay.io/docs/legal/terms-of-service Privacy Policy: https://zeroplay.io/docs/legal/privacy-policy