⏚ Electrical Engineering

LED lights of dimmer circuits

For the heck of it I picked up two 120 volt LED "bulbs" at Wally World. One had the standard "Edison" base and the othe...

0 comments posted 18yrs

posted by gilmer

0 comments posted 18yrs posted by gilmer

Fridge and GFCI

My fridge was installed at a different location than originally planned so I think the wiring was not done right. The f...

3 comments posted 18yrs

posted by iris_mazeppa

3 comments posted 18yrs posted by iris_mazeppa

surge suppression

I need to build a surge suppressor to go on the input of an alarm circuit. The circuit operates at 24.0 VDC. This is a...

51 comments posted 18yrs

posted by captainvideo462002

51 comments posted 18yrs posted by captainvideo462002

Cutler Hammer (old style) CH230 type Ganged Breaker Question

In my service panel (dating from 1980) I have several ganged type breakers for the AC, Range and Water heater. Today I...

4 comments posted 18yrs

posted by Rhyolite

4 comments posted 18yrs posted by Rhyolite

RC Circuit Calculation

Is there an easy way to calculate an RC circuit if I want a specific voltage in a given time? As an example: I have 5-v...

2 comments posted 18yrs

posted by nobody

2 comments posted 18yrs posted by nobody

square D mcb

Need 45amp (plug in type) Square D mcb. Can only source 40 or 50amp. Anyone know if one is available.

1 comments posted 18yrs

posted by jukeselectrical

1 comments posted 18yrs posted by jukeselectrical

Ground Fault Protection Trigerring in Server Room

Our computer server room outlets for our power distribution units (PDUs) are protected by ground fault protection. As I...

17 comments posted 18yrs

posted by westes-usc

17 comments posted 18yrs posted by westes-usc

nano micro high energy force material processing - strategic cooperation

IPM =A8C International Perforation Management is a relatively small high- tech engineering company with its based in So...

1 comments posted 18yrs

posted by werner-grosse

1 comments posted 18yrs posted by werner-grosse

UK Source for 110V, 600VA UPS

Can anyone point me in the right direction of a UK source of a 110V, 600VA UPS TIA, woodglass...

4 comments posted 18yrs

posted by cgibbins

4 comments posted 18yrs posted by cgibbins

who using Power system analysis toolbox(PSAT)

Hi guys, Is there anyone helping me with PSAT, a matlab package. I am going to simulate a system with distributed slack...

0 comments posted 18yrs

posted by greenmask.chun

0 comments posted 18yrs posted by greenmask.chun

CMOS Oscillator question

The formulas for CMOS oscillators use two constant numbers; 0.405 and 0.693. Does anyone know where these numbers are de...

1 comments posted 18yrs

posted by nobody

1 comments posted 18yrs posted by nobody

Advice - Graduating without any Internships?

Hello, I got behind in the internship search and didn't find anything for this summer. I'm still trying to look but it...

30 comments posted 18yrs

posted by jerothb

30 comments posted 18yrs posted by jerothb

Machinery Trade: Pre-owned Equipment at Dealership

Volvo L70C Volvo L90E Volvo EW 160B Volvo EC 140B Scania R144 6x2 Container Exchanger SLP 3-axis container exchanger tr...

0 comments posted 18yrs

posted by rogerkolsson

0 comments posted 18yrs posted by rogerkolsson

Mixed Signal Electronics/PCB Design Group on LinkedIn

Everything Involved In Mixed-Signal Electronics Design (Should be an Electronics / Electrical Design Type on Profile) T...

0 comments posted 18yrs

posted by cpld.fpga.asic

0 comments posted 18yrs posted by cpld.fpga.asic

Mag Flow Meter

Overheard two guys discussing flow measurement in a pipe line. One of the guys says "we can't install a mag flow meter...

4 comments posted 18yrs

posted by tjke.gilmour

4 comments posted 18yrs posted by tjke.gilmour