#### julian padilla

##### Member

- Location
- Houston, TX, USA

Any advise is appreciated.

How many sets of THW conductors are required for a feeder with a 1,000-amp overcurrent protective device that serves a calculated load of 900 amperes?

1. two sets of four THW per raceway of 500 kcmil with grounding

2. three sets of four THW per raceway of 350 kcmil with grounding

3. two sets of four THW per raceway of 600 kcmil with grounding

4. three sets of four THW per raceway of 400 kcmil with grounding