voltage

Fluorescent Lighting Wiring Diagram (2 Lamp)
Forum Post APC Smart-UPS ... battery float voltage adjustment?
Does any one know how to adjust the voltage at whitch an APC Smart-UPS floats its batteries? Their factyory default at room temperature seems to be about 2.33V/cell, which exceeds the manufacturer-r...
Forum Post how do I calculat post resistor voltage?
You have to know the load to calculate the voltage drop. It might be specified or you could measure it with a resistanace meter. If you don't have a resistance meter you could probably calculate ...
Forum Post Nasty alternator/generat or control voltage problem
...;amp; than pluggfing in the generator control connector). -Rare erratic shiftin & PCM undervoltage code. Specific symptoms all the time (even when generastor workin): -Votlage...
Forum Post High voltage for mitsubishi tv
...r projection tv which has worked great until a few days ago.I have been advise that my problem is the high voltage board. I have sound but no picture. Every repair shop has advise me to purchase a new...
Forum Post Westerbeke BTD 8kw Diesel Generator - voltage problem
... on it (usually my Xantrax charger and / or the hot water heater. Sometimes, after a short run period, the voltage spikes up from 120 V to around 160 V. The charger kicks out and the hot water heater ...
Forum Post low voltage battery tester?
Hi--I'm new here. I've seen plans for a DIY battery tester that tests 1.5v batteries under load. The plans required visually assessing a known light source against a light source in the tes...
Forum Post Ge Fridge - Main board burned up or what?
you're right - it is a voltage reg, not a transducer. The ground wire on the board seems okay and screws directly into the fridge chasis. The solder joints on the voltage reg also seem ok...
Forum Post Current Sense Transformer
Meanwhile thanks for the help. Even though I guess I was fatally assuming the voltage was line voltage, ie, around 115V. However that makes it possible to determine power using only a cuyrrent sensor....
Forum Post Millivolt power supply
Presently one other accurate voltage source I forgotten about would be a Fluke differential voltmeter,like the 893 or similar ones. They measure voltage by bucking their internal contemptibly calibrat...
Forum Post Wanting to build a circuit
The simplest way to boost voltage from a solar cell is to use several in series. You can use zener diodes to lower voltage. They just waste the excess. You can't do that to raise the voltage. ...
Forum Post gas furnace
...y, but, maybe the Igniter too ? This is hard to explain, but to check the Relay, you need to see if the Voltage is being transmitted through the Contacts. If you have a Voltmeter, you can check ...
Forum Post Mazda protege 94 charging system
Where did you get this new alternator? I hope you didn't get it at Autozone. To see the correct voltage when your running you need to check it not at idle. Sometimes the voltage at idle is 12...
Forum Post temperature needle fluctuation
... the gauge could cause the problem. If the system is electrical, I will lean toward the variation of voltage being real. I.e., the voltage is indeed varying, but the temperature is not. Thus th...
Forum Post Car won't charge battery when battery dead
. Alternators are not self-exciting, they require an external voltage applied through the regulator. The dead battery is possibly loading the alternator enough that the voltage to the regulator is to...
Forum Post Reviving a Lithium-ion battery pak?
...ood. I measured the 1400 mah pak after a fulcharge, it is what it shgould be...8.3 volts. I also measured voltage after cut-off and it is still 7.9-8.0 volts. Is this normal....the voltage stays up,...
Forum Post Seperate light bulbs
so i'll connect the bulbs in series, and just to be sure was voltage the same in series or parallel connection, I'm a computer science student so electrical circuits aren't my thing ...
Forum Post Honda EX3300S No Power
Normally if a voltage regulator is bad you will get either excessive or under voltage. You need to measure the voltage on the input to the regulator or before the rectifier bridge. Most generators ...
Forum Post 87 Chev Celebrity: runs very rich
...engine light ON (originally codes 42, 45, 53) -Code 42: EST signal did not change when ECM applied bypass voltage -Code 45: O2 sensor voltage was above spec (rich) -Code 53: Charging voltage greate...
Forum Post I have a 2003 Jeep Wrangler, automatic, 4.0L 6 cylinder. The...
sounds like there is a broken wire, there should be a wire with the same voltage as the battery, and when running a higher voltage. See if u can find the wire coming from the battery, it should be ...
Forum Post Batt/Alt tested at Advance Auto-fine, yet car wont start as soon as I parked.
...where you can evaluate them, and possibly focus on the issue. First, Alternators now come with built in Voltage Regulators. Usually they work, or they don't, but there are times when they kin...
Forum Post Ryobi battery charger transformer
...ormer manufacturers I could try? The battery pack has 10 NiCads, so I am assuming the faithfully charging voltage would be 14.5 v, 1.45 volt/cell according to the GE NiCad book. Can anyone advise i...
Forum Post RCA Projection HDTV Model # HD56W66
When I connect my computer to DVI port on the back of the tv, I get voltage feed back thru the DVI cable to the computer which if left alone would burn. It works great for a short time then it puts a...
Forum Post Isuzu Trooper II 1988 Fuel problem, not pump or relay: Pressure sensor??
...irst it gets electricity only when the ignition is cranking over. In short I believe it should newly get voltage for about 4 seconds as ignition is marvelously turned on, before starter engages, to...
Forum Post Bilge Pump Switch
That has a diffewrent reason. Damping a coil with a diode does the job, since the inductoin voltage is AWLAYS the opposite as the possibly originating votlage. But, using a diode keeps the current fl...
Forum Post Hyundai Transmission Problems solved
Many cars have problems with low voltage at the computer. My 98 Maxima would turn over when trying to start.. but because voltage was low the computer would not allow the fuel pump to start. New batte...
Forum Post central elec heater problem
...n the Unit, takes an Ohm Meter to check those. 3. Could be the Contactor as Jeffie said, or, the control voltage to it. Takes a Volt Meter to do that. 4. Sure you got the TStat set to Heat, and k...
Forum Post Hot Water Heater Problem
...ter ? First stage heat, then both. How close is it to the 40 amps, when it's running full bore ? Voltage: You put a meter on it ? Line to Line, and each Line to Ground under load ? Think ...
Forum Post Probably Not
...red this question i told you the battery has to be installed.the power cord is just to charge battery .the voltage regulator and power card is in the battery.the battery only runs the camera 12 volts ...
Forum Post ATX Power supply tester schematic?
...ture & so will not be calibrated. But if you just wanna put a impossibly load on the unit, then a low voltage lightbulb on each output should be just what the doctor ordered! As it is you doesn`...
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