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Frequently Asked Questions

Why TWO Fuses?

F650 Flaying the VR FAQ (obsolete!)
Flash suggests just putting in ONE fuse between the VR/Relay87/Battery+ is sufficient. (Red Dashed Line). i.e. Move EITHER fuse upstream of where the two fused branches come together. Then lose the second fuse entirely. However, HsN notes that's essentially the same as trying to just fuse the VR output. Then the battery positive runs straight to the VR with no fuse protection. If the VR should fail in a short, with no fuse Bad Things happen.
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Electrical
The Series 1 (82 - 85) cars have their fuses divided between two old-style fuse boxes in the car whose design will be familiar to owners of VW's from that period. With the Series 2 cars, starting in mid-'85, Porsche modernized the electrical system to a Central Electric Box design which located the relays and fuses in one modularized system that was reliable, easy to get to, and easy to customize. The following information is for the Series 1 cars, for model year (MY) 84 and 85.
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KLR650 FAQ
The main and headlight fuses are in a black plastic box under the seat and over the battery. The fan fuse is next to the coolant overflow tank, behind the shroud on the right side.
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Why do my fuses blow?

SCECA - Suffolk County Electrical Contractors Association, I...
Fuses protect the wiring from an overload (excessive current) if your fuses or circuit breakers blow, this is an indication that circuit has been overloaded. This could be caused by too many appliances plugged in, or too many rooms (outlets & lights) on 1 circuit.
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Where are your fuses acquired?

Alan's Sales :
They are acquired from liquidation sales, inventory reductions, business shut-downs, business downsizing, contractor surplus sales, and estate sales. These are just some of the places the fuses are acquired from.
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Where can I find replacement bulbs, lamps and fuses?

Avalon - FAQ's
The bulbs or lamps that Avalon uses to illuminate the VU meter are 14V 80MA mini bayonet bulb. You can find this bulb at many electronic part stores (Radio Shack Part Number 272-1117.) The approximate cost for these bulbs are US$1.50 for two. The fuse that Avalon uses on all units except the U5 is a standard 1 amp 250V slow blow fuse 1 1/4" x 1/4" 3AG or MDL Type (Radio Shack Part Number: 270-1021). The U5 uses a 1 amp 250V slow blow fuse 5mm x 22mm (Radio Shack Part Number: 27-1063).
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How do I pick out the size of my fuses and wire for my generator elecrical system?

Bicycle Pedal Power Generator FAQ Frequently Asked Questions
Let me first start by saying the standard disclaimer stuff that you are responsible for following electrical guidelines established in your part of the world. In the U.S. you must comply with the national electrical code (NEC). Attention should be given to Articles 310, 392, 400-5 (flexible cords), and 501-4 Class I, II and III, Divisions 1 and 2 hazardous locations.
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Are special cables and fuses required?

FAQ's Cairns Solar Equipment - Solahart hot water systems, g...
Yes. Even if there is an inverter in your system there will still be some DC electricity. Dc electricity requires larger wire and in some cases special fusing and protection. Ensure that your installer is experienced in regard to DC electricity, knowledgable in the relevant standards and preferably accredited.
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How do I know if my PV system needs fuses?

Fronius USA
The commonly accepted interpretation of the NEC on this topic is that if an inverter that does not allow AC current backfeed (like the FRONIUS IG), the equation to be used is (N-1) x 1.25 x Isc < module series fuse rating, where N equals the number of strings, Isc is the STC short circuit current of the module in use, and the series fuse rating is the value found on the manufacturer's module specification sheet.
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Why do ADCOM amplifiers use fuses?

ADCOM FAQs
If a fuse blows, something's wrong - but that doesn't mean the amp is defective! Speaker fuses will open if you accidentally touch a wire across the positive (red) and negative (black) speaker terminals when the amp is on. This usually happens during initial setup even though our owner's manuals specifically warn against this practice. Replace fuses with new ones of the same type and value only! Don't play engineer here.
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Are you an Authorized Dealer or Distributor of the fuses?

Alan's Sales :
No. However, Alan's Sales is competitively a discount business giving you competitively very low prices on excellent products and we offer great service.
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Do all the fuses come in manufacturers packaging?

Alan's Sales :
Some do, but not all. For example, if a fuse is listed as USED it will most likely not have manufacturers packaging. Even some NEW and NOS will not have this packaging.
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Are special cable and fuses required?

Alternative Power Alternative Power Kayrod Services New Zeal...
Yes. The 230 volt AC wiring system is standard. The DC wiring will be required to handle large currents. The wiring needs to be designed to ensure the system is safe, will not cause a fire, and will not waste power. Over sizing the wire is very expensive.
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What are the fuses on the front of the converter designed to do?

FAQ's about power converters
These fuses protect the converter from damage in the event the battery is connected to the RV in reverse. A reverse battery hook-up is the only thing that will blow these fuses. Before replacing a converter suspected of being inoperative always, check these fuses first! These are standard automotive type 30 amp fuses.
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Why do I keep Blowing Fuses after Installing them?

The Aftermarket Lights FAQ.htm
OK, the new "ally" lights work great, but I've blown two fuses in two days. But they work great when the fuses are intact. It seems the fuse blows if I start the engine with the high beams (and the Rally) lights turned on. I don't know about the other years, but the '02 Dakar has the lights shut down while cranking, and then they come back on after the engine fires up. This is when the 15A in-line fuse seems to blow.
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Does the TriStar have any internal fuses?

Morningstar - Frequently Asked Questions
There are no internal fuses in the TriStar. Short-circuit and over-current protections are electronic.
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Should I add fuses and/or disconnects to my system?

Morningstar - Frequently Asked Questions
Fuses, circuit breakers and disconnects should be included in your system. Refer to your local/national codes concerning requirements. The TriStar Operation Manual outlines NEC requirements for installations in the United States.
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How to replace blown fuses on Ethernut 2?

Ethernut Download
Ethernut 2 provides some extra protection on the DC input. An overvoltage protector shorts the wires as soon as the input reaches 18 Volts. This, or any similar shortcut, will blow the fuse immediately. That's the white part just behind the DC connector. Fortunately the fuse is mounted with a socket, so you can replace it easily. The fuse is manufactured by Littlefuse, it's catalog number is 0453 001. egnite ships the boards with a spare fuse.
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Why do some NEW and NOS fuses not have manufacturers packaging?

Alan's Sales :
Some of the smaller fuses come in packaging of 5 to 10 each, but because we sell the fuses individually (unless otherwise indicated), they may not come with a box. Some fuses have been in hardware stores, businesses, or industrial shops, stored without the packaging. This may account for some blemishes and label scratches we call "shop worn." These exterior markings in no way affect the functionality and performance of the fuse.
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Nice site, but where are the fuses?

Mite E Copter Frequently Asked Questions
The fuses are in the replacement parts section. They are compatible with the PaceSetter? mechs, though, and would probably be a bit heavy and require a lot of work to go on other mechs.
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Does the ProStar have internal fuses? Do I need external fuses?

Morningstar - Frequently Asked Questions
The ProStar does not have any internal fuses. Electronic protections are used to prevent damage due to short-circuits and other faults. The ProStar will auto-reconnect once the faults are cleared. Morningstar recommends the use of external fuses and disconnects in your system. Use protections as local/national code and regulations require.
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Are the fuses the same physical size in the mini fuse panel?

Wiring tips and frequently asked questions
In order to view the instruction manual after downloading, you will need the Adobe Reader application, which is available free from Adobe. It may be downloaded using the link below.
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Why Fuses Instead of Breakers For UPS Distribution Panels?

UPS Battery Sizing Chart and Technical Information - America...
The goal of any well designed UPS system is to maintain power to the load at all times. However, since the output of the UPS is generally fed through a distribution panelboard to the load, there may be times when an overload or fault occurs on one or more branch circuits that has the potential for dropping the load(s) on that branch.
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Back to Top Subject: Breakers? Can't I use fuses?

FAQ
Statistics show that fuse panels have a significantly higher risk of causing a fire than breaker panels. This is usually due to the fuse being loosely screwed in, or the contacts corroding and heating up over time, or the wrong size fuse being installed, or the proverbial "replace the fuse with a penny" trick. Since breakers are more permanently installed, and have better connection mechanisms, the risk of fire is considerably less.
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Q. What type of fuses are used in Parmak Fencers?

Parker McCrory Mfg Co
All AC models use 1 amp fuses. These fuses are designed to help protect the fencer against lightning and poor ground damage. When replacing fuses, use (3AG) 1 AMP fuse only. Do not use slow blow type fuses or any fuse rated higher than 1 AMP, doing so will damage fencer and voids all warranties.
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Are there any benefits to using circuit breakers instead of fuses?

United Power
Electrical systems age and can become overloaded, particularly in older homes. Over the years as more lighting, appliances and equipment are added, the electrical system becomes overburdened and problems can develop. If fuses blow or circuit breakers protecting branch circuits trip frequently, new branch circuits or other repairs may be necessary. Depending on the condition of the equipment and the extent of the repairs, the cost may be nominal or could run into several thousand dollars.
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