Panel Engineering
PCC vs MCC Panel: What Is the Difference and Which Do You Need?
A PCC distributes power and an MCC controls motors. Here is how they differ, how they work together, and how to tell which your…
Panel Engineering
Powder Coating Is an Insulator, and Other Earthing Mistakes
An earth bar bolted to a painted panel looks connected. Under fault current it may not be.
Panel Engineering
Form Separation in LT Panels: What Form 3b and 4b Actually Mean
Form separation decides what an engineer can safely touch while the panel is live. Here is what each level actually protects, and how to…
Panel Engineering
Busbar Sizing and the De-rating Factor Nobody Checks
Busbar capacity is not a number from a catalogue. Ambient temperature, ventilation and enclosure design all reduce what the bar can actually carry.