Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
"applied voltage must equal the sum of the voltage" |
Kirchoffs Law |
|
|
what circuit would E1, V1, V2 and V3 be equal? |
Parallel Circuit |
|
|
which circuit would IT, I1, I2 and I3 be equal? |
Series Circuit |
|
|
Which circuit would have a total resistance higher than the highest resister? |
Series Circuit |
|
|
Which Circuit would have a total resistance lower than the lowest resistance? |
Parallel circuit |
|
|
What is the amperage if the resistance is 75 ohms and the voltage is 24 VAC |
0.32 Amps |
|
|
How far from a gas meter or relief device be from an electric switch? |
0.9 meters or 3' or 900mm |
|
|
"the sum of all voltages in a closed circuit in zero" |
Kirchoffs voltage law |
|
|
In a class 1 extra-low-voltage power circuit, what is the maximum Voltage and maximum power level in Volt Amps? |
30 V 1000 VA |
|
|
In a class 1 remote control/signal circuit what is the maximum allowable Volts? |
600 V |
|
|
#18 AWG conductor has a maximum amperage of what? |
5 Amps |
|
|
#16 AWG conductor has a maximum amperage of what? |
10 Amps |
|
|
When using conductors that are #14 AWG or larger what will you need to do? |
check the tables in the CES to make sure you dont exceed the allowable amperage. |
|
|
What is the maximum allowable voltage in a class 2 circuit? |
150 V or less |
|
|
In a class 2 circuit, what is the maximum power output of a circuit supply must be restricted to in VA? |
100 VA |
|
|
How must a disconnect be placed upon a rooftop unit? |
10' or 3m & within sight |
|
|
where are control devices located on a ladder diagram? |
on the left side |
