Register
A feeder is supplying a 125-ampere, 240-volt panelboard in a multifamily dwelling. The conductors will be THHN aluminum conductors and all terminations will be rated 75C (167F). What is the minimum size
10.0k views
1 vote
A feeder is supplying a 125-ampere, 240-volt panelboard in a multifamily dwelling. The conductors will be THHN aluminum conductors and all terminations will be rated 75C (167F). What is the minimum size aluminum equipment grounding conductor required?

User Otherguy
by
8.3k points

1 Answer

4 votes

Answer:

The minimum size aluminium equipment grounding conductor required is 4 AWG.

Step-by-step explanation:

minimum aluminum size = 125/0.8

= 156.25

Therefore, The minimum size aluminium equipment grounding conductor required is 4 AWG.

User Tfinniga
by
7.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers

Other Questions

A piston-cylinder device fitted with stops in the cylinder walls contains 2.1 kg of water initially at 150 kPa and 30 °C. Heat is transferred to the system until the final temperature reaches 250 °C. The
An activated sludge plant is being designed to handle a feed rate of 0.438 m3 /sec. The influent BOD concentration is 150 mg/L and the cell concentration (MLVSS) is 2,200 mg/L. If you wish to operate the
The bulk modulus of a fluid if it undergoes a 1% change in volume when subjected to a pressure change of 10,000 psi is (a) 0.01 psi (b) 0.001 psi (c) 0.00001 psi (d) 0.000001 psi (e) none of these
A car has an initial speed of 10 m/s. It then undergoes a constant acceleration of 0.05 m/s^2 over a distance of 5 km. Determine: a) The car final speed. b) The time needed to travel the 5 km.
Adding moisture is the ONLY way to obtain saturated air from unsaturated air. a)-True b) False
Link Copied!