The Electrician Tools
Electricians Tools
Free · In‑App Purchases · Designed for iPad
Fast calculators, safety references, and on-site checklists built for electricians working to BS 7671.
Electrician Tools is a fast, on-site companion app built for electricians, apprentices, and electrical engineers.
It brings together essential calculators, safety references, and practical checklists in one clean, easy-to-use app — ideal for use on site or during design and inspection work.
Designed around UK electrical practice and BS 7671, Electrician Tools helps you work quicker, reduce mistakes, and double-check decisions with confidence.
FREE TOOLS & SAFETY REFERENCES
• Safe Isolation Checklist
• Cable Colours (Old & New)
• IP Ratings Guide
• RCD / RCBO Types Guide
• Unit Converter (mm², AWG, m, ft)
• Job Checklist / Kit List
• Bathroom Zones
• Safe Zones for Cables in Walls
• Shock Effects on the Human Body
• Current vs Time (Simple Shock Risk Chart)
• Fire Zones & Fire Stopping Basics
POWERFUL CALCULATORS (PRO)
• Voltage Drop (BS 7671 mV/A/m method)
• Cable Sizing to meet % drop
• R1 + R2 / Ze / Zs Calculator
• Prospective Fault Current (PFC / PSCC / PEFC)
• Ohm’s Law Calculator
• Power, Power Factor & kVA
• Maximum Demand (Diversity)
• Circuit Designer (Design Current & Checks)
FULL REFERENCE LIBRARY (PRO)
• Earthing Arrangements
• Bonding Arrangements
• Wiring Arrangements
• Testing & Inspection
• Safe Isolation Procedure
• Cable Installation Methods
PRODUCTIVITY TOOLS (PRO)
• Editable site notes per customer
• Optional reminders with notifications
• Ideal for follow-ups, return visits, and handover notes
BUILT FOR THE JOB
• Clean, fast, on-site friendly interface
• Designed for domestic & commercial work
• Practical explanations in plain English
• Ideal for electricians, trainees, inspectors & engineers
Important:
All calculations and reference content are summaries. Always verify results against the latest regulations, manufacturer data, and site conditions.
Upgrade to Pro to unlock the full calculator suite, reference library, and productivity tools.
Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
Massive upgrades to the FREE section, including added saftey guides. Pro section has more reference material including the all new Site notes section.
The developer, 1BIGRIG Ltd, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 1BIGRIG Ltd
- Size
- 10.9 MB
- Category
- Reference
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Remove Ads $24.99
- ElecTools Monthly $6.99
- ElecTools Yearly $34.99
- Copyright
- © BIG-RIG.CO