Best Rated threads in ⏚ Electrical Engineeringshow all threads
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Thermostat for laser printer fuser temp?
Fuser quit working on my laser printer. Removed the fuser and found that the snap-action bimetallic thermostatic switch for the fuser heating element is open-circuit. I removed it from the fuser and...
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17 years ago
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Analog out +/-10V, op-amp?
I have servo drives that take a +10V to -10V analog input. The +10V to -10V signal seems to be one of the standards for servo drives and I'm wondering if there are standard op-amp circuits to convert...
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17 years ago
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NEC Table 310.16 Conductor Size, OCPD, and Voltage Drop Calculator
Free Online JavaScript webpage calculator - Enter type of material - aluminum or copper, continuous and non continuous loads in amperes, type of conductor insulation, number of conductors in raceway...
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17 years ago
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Monitoring UK mains output
Hi, My parents are having trouble with a TV and freeview box that is plugged into a particular wall socket (I am UK based), the problem is that the freeview box keeps changing channels on its own and...
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17 years ago
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Where to find a Mershon Diagram
For many years the American Electrician's handbook has described the use of a Mershon diagram for finding voltage drop. The Diagram in the AEH is about 2 inches square. Does anyone know where a larger...
9
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17 years ago
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WTB Allen-Bradley Pub.1745-825
Looking for original or is the SLC Personal Computer Software Users Guide. Explains programming a SLC 100/150 with a Pc instead of using the pocket programmer. The Rockwell web sight no longer has...
3
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17 years ago
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3 | |
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Capacity of various Duracell AA cells?
It's hard work untangling Duracell's pruct range and the relative performance. I don't think Duracell are great value but they can be got anywhere and I want to know the relative merits of their...
71
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17 years ago
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71 | |
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surge protector question
If I plug my surge filter (Brick Wall Series by Price Wheeler) in a power strip in stead of directly into the wall outlet, does it (the Brick Wall) lose its effectiveness asgainst surges from...
34
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18 years ago
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What does this voltage arrow symbol mean?
When you try to convey a voltage drop across something, you sometimes draw a curved arrow. I'm just wondering how to properly read what the arrow means. If the curved arrow is 10 volts, is the head of...
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18 years ago
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hair dryer slower in new house
Sorry for the amateur question ahead of time :). I recently moved from an apartment to a house and my wife mentioned that the hair dryer doesn't 'blow' as hard as it did in the apartment. I laughed at...
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18 years ago
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GFI stop working after power out
My GFI outlet in the bathroom won't work after a power outage. After I got power back....(outside loss of power issue caused one leg of power to go to low voltage)...I reset the GFI button and the...
6
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18 years ago
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RCD questions with split-load consumer unit
Hi I'm not an electrician but I'm fairly competent with household wiring and after recently buying a new electric ceramic hob I realised my existing MCB consumer unit did not have enough ways as it is...
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18 years ago
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resistance of a tungsten filament?
When a tungsten filament is giivng off light, does its resistance vary significantly over a voltage range from 100V to 130V? On our pro video list we've been having a discussion concerning current...
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18 years ago
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Parajust AC variable frequency drive
Dear Sir We need urgently a complete electrical & electronic drawings for Parajust AC variable frequency drive, produced by Parametrics (a unit of ASEA USA), in order to fix one of our failure unit....
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18 years ago
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Substitute value for motor start capacitor?
My greenhouse fogger (think of an upward-facing fan sucking water out of a reservior and blowing it in the air) failed recently, and I found that the capacitor attached to the motor had exploded,...
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18 years ago
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Accumulating earth leakage not to be detected ?
If normal earth leakage detection level is 30mA, this probably is based on average 'dangerous current' ? But when several offices are fed from a single earth leakage detector, it is not appropriate...
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19 years ago
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Cleaning AC Power produced by cheap generator
I have a Coleman Powermate 5500W Generator. These are notorious for producing dirty power. I didn't know this until after I bought it and burned out some electronic equipment when I attached it to the...
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19 years ago
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Need Winding data for a Motor
I have an ELMO SA LR 15595 Single phase 60 hz motor. The motor type is CVE 132 F/2 -18-R-2T 3406. The motor is a 3450-330 RPM that draws 9.5- 4.1 Amps. I am requesting the winding data and all...
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19 years ago
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Battery conditioner for 18v DeWalt
Objective: Looking to buy for or assistance with building a battery conditioner for an 18v DeWalt sawzall. Background: I'm a volunteer fire fighter and on the rescue team of a fire and rescue...
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19 years ago
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6 | |
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Current capacity of multi-strand versus single-strand
Would a multi-strand flexible wire have the same current carrying capacity as a solid single stranded cable of the same cross section. For example ... a multi-strand with a cross section for its wire...
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19 years ago
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