Which of the following is a general NEC requirement for ...

[Anajune7]

Which of the following is a general NEC requirement for installing boxes?
 
  A) The box must be at least 2 deep.
  B) The box must be installed flush to the wall surface.
  C) The box must be of a sufficient size to permit locknuts to be properly installed.
  D) The finished installation must be accessible for future repair or maintenance.

Question 2

What size of a junction box must be used if there is one 4 conduit and two 3 conduits entering on one side of
  the box and exiting at a 90 angle on another side of the box? (Assume the conductor size is No. 4 AWG or
  larger.)
 
  A) 30
  B) 48
  C) 56
  D) 60

[KKcool]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A

[Anajune7]

Thank you!

[KKcool]

Always glad to help...