Lesson 2 quiz

What is the resistance on a 120v circuit, with 10 amps of current?

What is the amperage of a 120v circuit, that has a total wattage of 1,200?

What is a Va?

How many Va per sq. ft. will you calculate for a single, two, and multifamily dwelling unit?

Are the sq. ft. of garages counted as sq. ft. for the purpose of load calculations in dwelling units? (2017/2020)

How many Va’s would you calculate for a dwelling unit that is 2,000 sq. ft.?

You would count the sq. ft. of an unfinished basement that is not adaptable for future use when doing a load calculation of a dwelling unit?

We round up when doing load calculations when it results in .5 or greater?

Round down when your load calculation results in .49 or less?

What table do you use for lighting load demand factors?

What is the total available wattagee/Va’s of a 20 amp 120v circuit?

What is the resistance of a 120v circuit that has a 5 amp draw on it?

What is the amp draw on a 240v circuit with 20 ohms of resistance?

How many amps would a 100W light bulb draw on a 120v circuit?

How many appliances are needed in a load calculation before you can apply the 75% demand factor rule “Standard method”?

What color should you use to mark the high leg of a 4-wire, delta connected system?

When emerging from grade, underground wire should be protected from physical damage for a minimum of _____ ft.

Strut-type channel raceway when surface mount shall be strapped at intervals not exceeding ______ ft.