TW Volt Electrical Trade

TW Volt Electrical Trade is a professional toolkit for practicing electricians that combines the most commonly needed on-site calculations and job documentation in a single app. The Cable Sizer calculates conductor cross-section, breaker rating, and voltage drop for single- and three-phase circuits with copper or aluminium conductors, while the Conduit Fill tool checks that cables stay within the allowed fill percentage for conduits and cable trays. The Wire Color reference covers IEC 60446, DSTU, Soviet SU, and British standards with lookup in both directions — color to role and role to color. A built-in Fault Tree walks you through eight common electrical symptoms — from a tripping breaker to overheating cable — using yes/no questions that lead to ranked probable causes with specific test steps. Job Timer tracks billable hours and material costs per session, Estimates build itemized client quotes, Checklists generate inspection point lists by object type, and Projects store panel board circuits with breaker ratings and cable data.