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Mains wiring question: flush vs. surface load panel

May 13, 2013, 5:22 pm

Installing a charging station in a garage for the new car owner. The charger is surface-mount. The easiest install will be surface mount using liquid-tight flex on top of the sheetrock. Proble... Read more »

Fastest Audio Cable -- Really!

May 8, 2013, 5:14 pm

http://www.amazon.com/Denon-AKDL1-Dedicated-Link-Cable/dp/B000I1X6PM The reviews are quite entertaining. Read more »

Relay box identification

May 7, 2013, 3:46 pm

I'm in the scrap business and I'm trying to identify this box I've acquired . It's got three timing relays inside of it and encased in windows on the o utside of the box are two current sensing rel... Read more »

Monostable circuit with ne555

May 7, 2013, 8:01 am

ne555 monostable circuit is very easy to prepare. Now there is online simulation as well as corresponding tutorial. http://www.cirvirlab.com/simulation/ne555_monostable_multivibrator_online.php htt... Read more »

Canon MP970 disassembly?

May 4, 2013, 7:03 pm

Need to get to the ink pump (head-cleaning pump). How do I get the main plastic casting (what you see when you open the cover to access the ink cartridges) removed? The pump is under this but I c... Read more »

Re: Seeking information on the Basicon MC-1N (INS8073 based)

May 2, 2013, 6:17 pm

Hi Ed, I have this Basicon MC-1N in mint condition and an EEPROM board that plugs into it and 2 parallel I/O boards that also plug into it. I can't remember what I used it for but I do remember it ... Read more »

[Tempting offer] New product idea

May 1, 2013, 3:36 am

Hello. Friends. I'm a electric engineer of Semiconductor and want to share with you about m y new idea using a smart device. I have a interesting idea for new product and design. What do you t... Read more »

AT&T model 1725 digital answering service- can be remotely powered on

April 18, 2013, 8:25 am

I personally witnessed this machine powere on by an incoming phone call when the unit was plugged in but powered off. The intercom feature for room listening could also be activated at the same tim... Read more »

Phasor and time-domain waveforms online

April 17, 2013, 4:10 am

Phasor representatives of steady state AC signals are very practical for calculating both amplitude and phase of AC signal. Please visit: http://www.cirvirlab.com/simulation/complex_number_phasor_a... Read more »

ARC fault breakers

April 8, 2013, 2:15 pm

I know they are now code for most rooms in a house. Is it a good idea to replace the regular circuit breakers in my home with arc faults? Is it ok to install an arc fault on a GFCI circuit? I am thin... Read more »

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