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The_Vintage_Collector
  • Member for 5 years, 3 months
  • Last seen this week
  • Florida, USA
10 votes
5 answers
10k views

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

10 votes
4 answers
11k views

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

9 votes
5 answers
3k views

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

9 votes
3 answers
2k views

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

8 votes
3 answers
5k views

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

8 votes
3 answers
7k views

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

6 votes
6 answers
31k views

Does a circuit breaker trip depending on voltage or current?

5 votes
3 answers
11k 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
281 views

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

3 votes
1 answer
155 views

What could be this particular thermometer used for?

3 votes
1 answer
608 views

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

3 votes
1 answer
181 views

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

2 votes
1 answer
504 views

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

2 votes
1 answer
266 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
192 views

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

2 votes
1 answer
112 views

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

2 votes
1 answer
1k views

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

2 votes
0 answers
40 views

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

1 vote
1 answer
432 views

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

1 vote
1 answer
25 views

Does anyone have a datasheet for the AMS FUA78MG IC?

1 vote
1 answer
532 views

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

1 vote
4 answers
10k views

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

1 vote
1 answer
1k views

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

1 vote
1 answer
729 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
4k views

Replacing the selenium rectifier in a vintage car battery charger

1 vote
1 answer
428 views

Is this SLA battery still usable?

1 vote
0 answers
157 views

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

1 vote
0 answers
41 views

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

1 vote
1 answer
245 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
72 views

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