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*NEW* Ensuring Accurate Current Carrying Capacity for H07 Cables
Introduction How can we determine the correct current carrying capacity (It) for H07...
Cables Buried and/or Ducted Current Carrying Capacities - The rating differences between BS7671 and the ERA in ElectricalOM
The Requirements for Electrical Installations BS 7671 in Appendix 4, publishes ratings taken from...
Arc Fault Detection Devices - AFDD
Fires caused by electrical equipment continue to be a significant issue in many Electrical...
Schneider Powerpact 4 MCCB
According to Schneider's specifications:The Schneider Powerpact 4 Breaker is an NSX model...
Surge Protective Devices - SPD
The new 18th Edition Regulations are coming in effect on the 1st of January 2019 and here are...
Selectivity Study
The main idea behind selectivity is to reduce the impact of a fault by isolating only the...
Power Factor Correction Calculations
What is power factor? Power quality is essential for efficient equipment operation, and power...
Fault Current Calculations at Source Component
Hello again, from Modecsoft Knowledgebase. This time we will be looking at fault current...
Max Zs Calculation
For TN earthing systems, the Max Zs formula derives from regulation 411.4.4: Zs x Ia ≤ Uo x...
Schneider NSX Reflex Tripping
There is confusion in the industry about Schneider's NSX Reflex Tripping capability and whether...
Schneider NSX ComPact vs ComPacT circuit breakers
There is a debate going on about the old Schneider NSX ComPact circuit breakers vs. the new...
Understanding the Integration of Arc Fault Detection Devices (AFDD) for Compliance in Certification and Reports to BS7671
     In compliance with BS 7671:2018+A2:2022 standards, the recording of Arc Fault Detection...