When conductors are run in parallel between a generator and a distribution panelboard, how many conduits are used?

When conductors are run in parallel between a generator and a distribution panelboard, how many conduits are used?

• A. One
• B. Two
• C. Three
• D. Four

Answer: (B)

When you run conductors in parallel, each parallel path is treated as its own circuit path. Placing each parallel group in its own raceway keeps the conductors physically separated, helps with heat dissipation, ensures more even impedance and voltage drop, and makes pulling and termination easier. If both parallel sets shared a single conduit, it would crowd the conductors and could violate raceway fill limits and protection practices. So, between a generator and a distribution panelboard, two conduits are used—one for each parallel path.

When you run conductors in parallel, each parallel path is treated as its own circuit path. Placing each parallel group in its own raceway keeps the conductors physically separated, helps with heat dissipation, ensures more even impedance and voltage drop, and makes pulling and termination easier. If both parallel sets shared a single conduit, it would crowd the conductors and could violate raceway fill limits and protection practices. So, between a generator and a distribution panelboard, two conduits are used—one for each parallel path.