Q:My amp was working this morning. On my way home, the power cable came out somehow. I put it back in and it wasn't powering on. The amp fuses were blown, I replaced them. Then I went to hook the battery terminal back and the fuse in my power cable blew instantly. I replaced it and tried again and it blew again. Also the fuses in the amp are fine now. I did the same process when I installed my amp the first time and it was fine so I don't know why it's doing this now. The amp is a Boston Acoustics 800w RMS amp and an 80a fuse. Any ideas?

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Q:my elite was banned from xbox live, yes my fault, so i ordered a new xbox 360 elite just the xbox part and kept everything else. But it has came today my new one but my original elite power cable will not fit into this new elite i have. any reason why? will a cable for the original white xbox work for my new elite?

It depends on what chip set they have. An older Elite 360's power cable (with the older set) will fit into a new one, but not the other way around. It sounds like the one you just bought is older than the one that was banned.

Q:I'm gonna be running a 2,700watts RMS system on a Power Acoustik 4,500watt Class D Monoblock amp at 1-ohm. I have a 2005 Impala LS do I'm going to need a secondary battery. What size should it be? Also what size power wire and ground wire should I use? I'm going to be using 8gauge speaker wire. Any help is appreciated. Thanks!

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Q:my MOBO has a 4 pin connector, but my power supply came with an 8 pin power cable, so what do i do? Also my MOBO has a SATA1 slot by itself, and two SATA slots called SATA 2 and SATA 4. The SATA 1 is by itself, and SATA 2 and 4 are next to each other. so which SATA slot do i plug opticaldrive and HDD in?

This is about power connector -

Q:If you have an electrical device (e.g. a laptop), you'll sometimes notice that near the place where you plug the power adapter into it, there's a sign. It's composed of 3 circles, minus on the left, O inside a C in the middle, and plus on the right.What is this? And if I want to read/learn more about it where should I go?

If you look at the jack that go inside the power input you will see that it is an outside connect and an inside one.The O is the inside connect and the C is the outside one.Because it is a DC power adapter it has a + and - polarity .O,the inside ,is the plus and C,the outside,is the minus. Also on the adapter you can see the same thing! This is because some brands use the outside connect as + and you can burn your device if you use it!!!!

Q:then directly to the capacitor. or should the resistor be in the middle of the power cable.

it truly is No resistor get a. try gentle betwen the cap and power wire once gentle dies down thoroughly placed wire and tighten. Ive. carried out thks no challenge possibly small spark even if it truly is gonna ensue

Q:I'm going to be running 1/0 gauge power wire in my car. My amp only accepts 4 gauge. Is it better to run 1 the whole way through and use power cable adaptors to fit the amp or run the 1 gauge into a distribution block that sizes the output wire down to a 4?

Basic rule of electronics: Eliminate as many connections as possible. If you are using just the one amp, it is better to use one connector that reduces the size of the wire (or just trim it down to fit) than adding two more connections (with a distribution block).

Q:if found the reistance then what are the acceptable limits such that replace the cable or repair the cable

See the document by Megger on how to determine if a cable is good and much more. This is a very good document that covers both static (insulation hipot testing) and TDR fault location methods.

Q:im looking at installing an amp and was wondering if its fine to go through the firewall were there is already a group of wires with a rubber seal, i was thinking of poking a hole through the rubber seal and running the power cable through there would this be a suitable option. Thanks

Of course you can. As many amps that I have installed I have only had to drill one hole through the fire wall. As long as there is a grommet you are good to go. You should be able to open the rubber up with a screw driver. Just be careful not to damage any wires.

Q:eSata means you connect the drive from outside the case. If so, what kind of cable do you use for power, assuming you're not opening up the case to use the regular molex connectors?

I use an external sata for backup with a usb cable converter the power comes from the usb cable, esata I suspect would be similar unless you are hooking it up with arj45 or something?