Random Electrical Notes Flashcards
1
Q
Continuity is;
A
The presence of a complete path for current flow.
2
Q
Three phase motor is spinning in the reverse direction, how do you fix?
A
Swap any of the 2 wires
3
Q
FR. No. on plate for electric motor, what does that state?
A
Frame Number (NEMA)
standard for electric motors
indicates shaft sizes, diameters, mounting hole spacing and HEIGHT TO CENTRE OF SHAFT for any given Frame size. Centreline.
4
Q
What are transformers used for?
A
Stepping up/Stepping down voltages
i.e. High voltage power lines run through transformer to step down power to 120V before reaching house.
5
Q
A
