Which of the following voltage selections are reasonable in a large building with a 277/480 utility service? Select all that apply.

A) 208 V, 1-phase appliances.
B) 480 V, 3-phase motors.
C) 277 V, 1-phase lighting.
D) 277 V, 1-phase receptacles.


A) 208 V, 1-phase appliances. , B) 480 V, 3-phase motors. and C) 277 V, 1-phase lighting.

Trades & Technology

You might also like to view...

You treated 550 acres of corn land with an herbicide at the rate of 1.2 quarts per acre. The herbicide is sold in a 2 1/2-gallon container which costs $99.52.

a. How many containers of the herbicide were used? b. What did the herbicide cost?

Trades & Technology

The _____ was near extinction at the turn of the 20th century but is now recovered

a. Black bear b. Lang's metalmark butterfly c. Passenger pigeon d. Dusky seaside sparrow

Trades & Technology

Many client idiosyncrasies can be observed during the ____________________

Fill in the blank(s) with correct word

Trades & Technology

Which of the following is an advantage of sketching compared to mechanical drawing?

A. It requires few material aids. B. It can be mastered without much practice. C. It can be done with just a pencil and piece of paper. D. both A and C.

Trades & Technology