FR Article 310

When filling a conduit with multiple different sized conductors, what information do you need to look up or calculate to determine if what you want to use will fit in the conduit and be to code?

What units are used for the area of conduits and conductors/cables?

What sections in the code book should you refer to regarding conduit fill?

How much can you fill a conduit using 2 or more conductors or cables?