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vu2nan
  • Member for 4 years, 1 month
  • Last seen this week
55 votes

Should I ground my body when working with 200V+?

21 votes

Why has my tweeter speaker burned up?

20 votes

Why is North American residential power called single phase?

18 votes
Accepted

Unknown circular schematic symbol

16 votes

Limiting potentiometer to 10% and 90%

15 votes

Why do speakers use clamp connectors?

15 votes

Why use aluminum wire in an (old) TV degaussing harness

13 votes
Accepted

What happens if you feed DC into a bridge rectifier?

12 votes

Please help identify this potentiometer

12 votes
Accepted

Source of initial magnetic field in an alternator

11 votes

Being able to toggle a 24V battery bank to 12V

11 votes

Wiring a 240 V single phase cable to two 110 V outlets (120 deg apart)

10 votes

How to detect movement of gadget without electricity

9 votes

Is this a variable resistor?

8 votes

In below picture, is ammeter AC or DC? Is there direction for connection with load in series? If so what if I connect in wrong direction?

8 votes

What is the name for this connector socket pin configuration?

8 votes
Accepted

How can I achieve full scale deflection on a 30 A ammeter with a 5 V voltage?

7 votes
Accepted

Using relay (no microcontroller) for turning on/off power

7 votes
Accepted

What are these components used to configure radio channels?

7 votes

Bench power supply with no minimum output voltage

7 votes

What's wrong with this latching relay circuit?

7 votes

Control 16 motors with 8 relays

6 votes

Help identify this audio electrical connector

6 votes

Using a PNP over an NPN to activate a solenoid

6 votes

Why is this 240V / 20A motor labelled 3HP?

6 votes

Is it ok to connect 60Hz inverter to 50Hz transformer?

6 votes

Why is the fuse connected to the live wire?

6 votes

Is a potentiometer an actuator or sensor?

6 votes
Accepted

Why this motor shows delta 220 / star 380 which is usually the other way round from what I know?

5 votes

Why did this fog lamp turn on with either configuration of power/ground?

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