The_Vintage_Collector's user avatar
The_Vintage_Collector's user avatar
The_Vintage_Collector's user avatar
The_Vintage_Collector
  • Member for 6 years, 11 months
  • Last seen more than a month ago
  • Florida, USA
10 votes
5 answers
12k views

Does a solenoid valve allow continuous run-time for very long durations?

10 votes
4 answers
14k views

Why can an AC circuit breaker not be used in DC circuits?

10 votes
4 answers
3k views

Why does a brushed DC motor current draw differ with direction of rotation?

9 votes
5 answers
4k views

Why are bulky SCR power controllers used when the same can be achieved with a relay?

8 votes
4 answers
7k views

Is it okay to connect a European 240V transformer to a US 240V outlet?

8 votes
4 answers
9k views

Do we need any kind of protection for AC relay coil?

6 votes
6 answers
37k views

Does a circuit breaker trip depending on voltage or current?

5 votes
3 answers
15k views

How is the 220V line in US different from other parts of world? Does a US 220V line need two switches for each wire?

4 votes
1 answer
365 views

Using a vintage button bulb saver be used for CFL or halogen lamps?

3 votes
1 answer
190 views

What could be this particular thermometer used for?

3 votes
1 answer
208 views

How much current is drawn by an 18,600 BTU A/C compressor during free run?

3 votes
1 answer
1k views

Making a bench power supply to test car & bike starter motors at no load?

3 votes
2 answers
2k views

Can the output voltage of this variable frequency drive (VFD) be varied?

2 votes
1 answer
487 views

Can de-ionized water be used instead of distilled water to prepare lead acid battery electrolyte?

2 votes
1 answer
1k views

How to determine the state of charge of a NiCD battery when charged via a Bench PSU?

2 votes
1 answer
128 views

What type of vintage semiconductor device is this? Is it an SCR?

2 votes
1 answer
626 views

Can this 1000 W ballast be wired for 240 V and plugged to 120 V to run a 400 W MH Lamp?

2 votes
1 answer
320 views

How far does reforming a capacitor help? Does it have any adverse effect on using such a capacitor on components?

2 votes
1 answer
2k views

How much length of nichrome wire needs to be adjusted to mod a 220V toaster to run on 115V?

2 votes
4 answers
16k views

What is the use of SENSE + and - in a PSU?

1 vote
1 answer
667 views

What type of electronics soldering is this soldering flux used for?

1 vote
1 answer
4k views

How does using a 60Hz device on a 50Hz supply affect it?

1 vote
1 answer
836 views

Is it safe to use a 120V 300W 60Hz UPS in a country with 240V 50HZ after step down with regular 1000W transformer?

1 vote
2 answers
5k views

Replacing the selenium rectifier in a vintage car battery charger

1 vote
1 answer
509 views

Is this SLA battery still usable?

1 vote
1 answer
832 views

Is it okay to run a mercury vapor lamp of lower wattage (100/150/175W) on a 400W MHL/MVL ballast? Also can a 60Hz ballast be used on 50Hz?

1 vote
0 answers
312 views

Need help with identifying the function of 3 wires in camera flash circuit

1 vote
0 answers
47 views

Is there a potential earth leakage or is it something else?

1 vote
1 answer
1k views

What is the right voltage to charge a flooded lead acid at CV? Also it got pretty warm while filling up acid

1 vote
1 answer
103 views

Advice on connecting heater directly to SP2 relay of PID controller?