Tools for electricians and trades, in your pocket.

Pick the circuit and the symptom, or describe it, and follow a guided procedure to the fault, starting with safe isolation.

• 42 guided procedures across 15 kinds of circuit: consumer units and RCDs, supply and earthing, lighting, rings and radials, showers, cookers, EV charger supplies, three-phase motors and more
• A job log and PDF fault reports for the customer
• Reference tables for test results

For competent persons: qualified electricians, and apprentices and improvers under proper supervision.

Circuit design and test results for UK installations, one project per job.

• Cable selection with correction factors, voltage drop and design Zs
• Schedule of test results, with maximum Zs and the 80% site limit filled in
• Inspection checklist, condition survey and reports
• Worked example included

Put the day's jobs in a sensible order, with arrival times and messages for customers.

• Keeps to customers' time windows, pinned jobs and priorities
• Arrival times and the finish time for the day
• Ready-made customer messages
• A UK mileage log for the tax return