Given: Fiber optic conductors for a telecom system are being installed in an office building. The conductors are being fed through a single length of electrical metallic tubing. What maximum quantity of fiber optic conductors may be contained in this raceway?

Given: Fiber optic conductors for a telecom system are being installed in an office building. The conductors are being fed through a single length of electrical metallic tubing. What maximum quantity of fiber optic conductors may be contained in this raceway?