Author: Abdul Wassay

Abdul Wassay is an Electrical Engineer with over 15 years of hands-on experience in PLC programming, SCADA systems, industrial automation, electrical troubleshooting, and renewable energy design. He publishes standards-based calculators, tool guides and product reviews on Azad Circuit Hub, citing NEC, IEC, and IEEE codes where applicable. Read Abdul's full Profile and Credentials here →

Voltage Tester Reviews
Best Non-Contact Voltage Tester for Electric Fence: Top 4
Posted on10/09/202610/09/2026
Best Non-Contact Voltage Tester for Electric Fence: compare 4 reliable testers for fence voltage detection, safety, accuracy, and easy troubleshooting.
Read More Best Non-Contact Voltage Tester for Electric Fence: Top 4
Electrical Earthing
Earth Fault Impedance Calculation: Formula, Values, Testing and Examples
Posted on08/09/202608/09/2026
Learn Earth Fault Impedance Calculation with formulas, typical values, testing methods, fault current examples, and IEC-based electrical safety guidance.
Read More Earth Fault Impedance Calculation: Formula, Values, Testing and Examples
Insulation Resistance | Insulation Testers Reviews
What Is an Insulation Resistance Test? (Definition & How It Works)
Posted on07/09/202623/09/2026
Learn what is an insulation resistance test, how insulation resistance testing works, test voltage, procedures, results, and electrical safety standards.
Read More What Is an Insulation Resistance Test? (Definition & How It Works)
Electrical Standards
Clearance and Creepage Distance as per IEC 60664
Posted on07/09/202607/09/2026
Clearance and Creepage Distance as per IEC 60664: Learn insulation distances, pollution degree, voltage ratings, and PCB safety requirements.
Read More Clearance and Creepage Distance as per IEC 60664
Electrical Standards
Phase to Phase Clearance as per NEC / NFPA 70E
Posted on07/09/202607/09/2026
Phase to Phase Clearance as per NEC / NFPA 70E explained with electrical spacing, voltage clearance, safe working distances, and code guidance.
Read More Phase to Phase Clearance as per NEC / NFPA 70E
Screwdriver Reviews
Best Magnetic Insulated Screwdriver Sets: Top 5
Posted on07/09/202607/09/2026
Best Magnetic Insulated Screwdriver Sets for electricians. Compare top picks, safety ratings, magnetic tips, durability, grip, and value for electrical work.
Read More Best Magnetic Insulated Screwdriver Sets: Top 5
Clamp Meter Reviews
Fluke 377 FC Clamp Meter Review: Features, Accuracy, Pros, Cons & Buying Guide
Posted on07/09/202607/09/2026
Fluke 377 FC Clamp Meter review covering accuracy, features, pros, cons, True-RMS performance, safety ratings, and buying tips for electricians.
Read More Fluke 377 FC Clamp Meter Review: Features, Accuracy, Pros, Cons & Buying Guide
EV Charger Reviews
Best 48 Amp EV Charger for Fast Home Charging
Posted on05/09/202605/09/2026
Find the Best 48 Amp EV Charger for fast home charging. Compare top Level 2 EV chargers, features, installation needs, and smart charging options.
Read More Best 48 Amp EV Charger for Fast Home Charging
Clamp Meter Reviews
Fluke 365 Clamp Meter Review: Detachable Jaw, Features, Accuracy and Buying Guide
Posted on05/09/202605/09/2026
Fluke 365 Clamp Meter Review covering detachable jaw, accuracy, features, safety ratings, pros, cons, and buying tips for electricians.
Read More Fluke 365 Clamp Meter Review: Detachable Jaw, Features, Accuracy and Buying Guide
Voltage Tester Reviews
Best Non-Contact Voltage Tester for Christmas Lights
Posted on03/09/202603/09/2026
Find the Best Non-Contact Voltage Tester for Christmas Lights. Compare safe voltage detectors for holiday lighting, troubleshooting, and electrical testing.
Read More Best Non-Contact Voltage Tester for Christmas Lights
Voltage Tester Reviews
Fluke 1AC-II vs Fluke 2AC Alert: Full Comparison
Posted on03/09/202617/10/2026
Compare Fluke 1AC-II vs Fluke 2AC Alert for voltage detection, sensitivity, safety features, battery life, and everyday electrical testing.
Read More Fluke 1AC-II vs Fluke 2AC Alert: Full Comparison
Screwdriver Reviews
VDE vs. Non-Conductive vs. 1000V Rated Screwdrivers: What’s the Difference?
Posted on03/09/202603/09/2026
Compare VDE vs. Non-Conductive vs. 1000V Rated Screwdrivers for electrical safety, insulation, voltage protection, and choosing the right tool.
Read More VDE vs. Non-Conductive vs. 1000V Rated Screwdrivers: What’s the Difference?
Load Flow Analysis
Load Flow vs Short Circuit vs Fault Current Analysis: Complete Power System Comparison
Posted on02/09/202602/09/2026
Compare Load Flow vs Short Circuit vs Fault Current Analysis, including methods, calculations, applications, and key differences in power system studies.
Read More Load Flow vs Short Circuit vs Fault Current Analysis: Complete Power System Comparison
Cable Tray
Common Cable Tray Fill Mistakes (and How to Avoid Them)
Posted on02/09/202602/09/2026
Avoid common cable tray fill mistakes with practical tips on tray capacity, cable spacing, NEC requirements, derating, and proper cable management.
Read More Common Cable Tray Fill Mistakes (and How to Avoid Them)