QR Code Scanner. Fast checker vs Voltbox

Download the app to quickly and freely scan any QR code and barcode. Create and share a custom code to manage products, open URLs, connect to Wi-Fi, and retrieve data. Key Features: - Quickly scan a code with your camera or manually. - Create customized codes for Wi-Fi, email, URLs, messages, and more. - Get important information about codes, including product details. - Save and manage scanned codes in a convenient folder. - Export to .csv format and support for 15+ code types. Premium Features: - Code personalization (color and background). - Create and export unlimited codes. - Sliding scanner to read multiple codes at once. - No ads. Download the app for free or upgrade to the premium version to get all the extra features. You can cancel your subscription at any time. For assistance, please contact us at the email address provided. Privacy Policy - https://docs.google.com/document/d/117mkCCEHQ6FBXJrJ71S-7EsX0DeWgt3w22HTVLeOBBY/edit?tab=t.0 Terms of Use - https://docs.google.com/document/d/13pjbH9FbdlqgVqMeo2NcBHJrhXStWBQFwI5Pi02rFmU/edit?tab=t.0

Voltbox is a professional calculator toolkit for electricians, built around the NEC (National Electrical Code). Fast, accurate, and yours to own — pay once, keep it forever. 18 CALCULATORS Fundamentals (free) • Ohm's Law — voltage, current, resistance, power, series/parallel • Wire & Cable Sizing — NEC ampacity lookup Dwelling Load • Load Calculation — dwelling feeder/service sizing (NEC 220) • Range Demand — cooking appliance demand load (NEC 220.55) • Generator Sizing • Existing Load Evaluation — headroom check for adding new loads to an existing service Circuit Design • Voltage Drop — for any run length and load • Motor / Transformer Sizing — full-load amps per NEC 430 • Grounding & Bonding — NEC 250.66 / 250.122 • EV Charging — NEC 625 • HVAC Circuit Sizing • Feeder Tap Conductor — NEC 240.21(B) • Spa Bonding Exemption • Branch Circuit Sizing Installation • Conduit Fill — max conductors per conduit size, including bare wire • Box Fill — junction box conductor capacity • Conduit Bending — offset & 90° stub • Light Meter — jobsite illumination check against OSHA/egress/IES minimums WHY VOLTBOX • One-time purchase for Pro — never a subscription, never a recurring fee • Save and organize calculations by project • Built for the job site: fast, no clutter, no login screens, works with no signal • No account required — open the app and start calculating Ohm's Law and Wire Sizing are free. Unlock Pro once to get every other calculator. Voltbox is a reference tool based on the NEC. Always verify results against the current code edition adopted in your area and confirm compliance with a licensed electrician or your local inspector before performing any installation.