Cable Color Code Charts
There are several color-coding schemes for control cables. Get quick links to them here…
Sizing cable
Archive
Category: Sizing cable
Articles here are about how to size cables.
Power cable sizing tips video
You might be surprised at what you can learn in under three minutes. . . .
Sizing cable
Cable ampacity – insulation temperature rating vs. equipment terminal ratings
This can be a confusing topic. The issue usually arises in nuclear power plants because most cable is rated at 90 degrees C, but…
Sizing cable
Some non-electrical concerns to take into account when installing new cables
Installing new cables? There is a standard set of problems you need to be aware of. They aren’t necessarily electrical problems . . . .
Mod Package Design Tips
Calculating short-circuit currents by hand
You won’t do many short-circuit hand calculations, but it’s useful to go through the exercise to develop an understanding of the fault behavior of…
Short-circuits and faults
Three kinds of protective devices
There are three common types of protective devices you’ll encounter in the nuclear power industry. Here I summarize their functionality . . . .
Short-circuits and faults
Three fault regions of a time-current plot
In a previous article I discussed the importance of coordination curves. Here I provide some home-made examples. Yep, you got it. Fashioned in the…
Sizing Breakers
If your voltage-drop calculation fails
What do you do if, after sizing your cable and calculating voltage drop, your voltage drop exceeds what’s allowable?
Sizing cable