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FAQ

can i sell magnetic contactor transformer 24vand where ?

I sell my old, worn out sneakers on OKorder. I try not to think about what the buyers are doing with them. I never touch Craigslist. If I sold something there, I'd expect the buyer to show up, cut my throat and take the item.

I'm currently doing a 3 year advanced diploma for electronics engineering program. However, I don't feel it could really lead to much possibilities. What do people think?Are there any electronics engineers here in the room?? If so, what challenges do you face??

It's pretty booming right now, and probably will be for the next couple of decades at least. As far as possibilities go, what are you looking for? Some EE's start their own companies and make millions. It's as much as what you make of things as it is about hopping on the right train to take you where you want to go. The downside of engineering has to be the pressure and the deadlines. Marketing and money drive engineering. And the market doesn't want to wait forever for the next gismo. Your design has to be finished by a certain time or else the whole bridge project gets held up, etc.

I don't understand how oil and gas industry has anything to do with electrical engineering jobs??Am I not seeing this because currently I am working as a electronics engineer ? This is how I am thinking about this - Oil and gas industry , digs up oil , provides it to our cars and trucks so they can run. Now I don't understand how or where Electrical engineers come into play into this ?? Please make me understand. I want to know.P.s: I am an entry level electronics engineer, with a degree in Electrical engineering , Currently I am located in Houston, texas.

This website will show you jobs in your discipline in the oil and gas industry. Take a good look at the descriptions to find out what the work could involve, and follow a trail on the internet to see where you could use your skills in your local area. You will need to think about travel at some point though, in this industry.

If it is, why?

The answer is no. There are resistances between electrodes placed in the ground anyplace on earth. The resistance varies with the composition of the soil. Grounding grids are engineered for industrial and commercial facilities. These usually consist of a grid of heavy gauge cable connected to a matrix of ground rods driven in the ground , sometimes to great depth. These ground rods are in a 6 to 12 inch diameter pipes at the ground level. There are special connectors which are used to test the resistance on scheduled periods. Individual electrical equipment and buildings are grounded directly to the grid using a method of welding the cables with a mold and a powder which is fired to create a short lived, very intense reaction. The individual cables connected to the structures and equipment is with a special split bolt which is threaded directly to the equipment. The cable is placed in the split and a nut is screwed on the free end of the bolt to compress the cable. Once while assisting in plant startup in Michigan, we had to drive the grid ground rods to a depth of 80 feet to obtain a satisfactory ground.

I have a school project (Construction management) that involves the estimating of the electrical cost for a building addition. I can do the fixture counts, equipment hook ups, box counts, switches and etc. I cant figure out how much wiring would be involved. from the blueprints, is there a way to measure (estimate) the lf of wiring? this is a school building so there are mostly medsize room and hallways. any help would be great. I remember something about the homerun count from when i was a laborer, but could i figure 1 line around the room with a line for fixtures or something like that. doesnt have to be perfect by any means.

Figure out the load for each room. Remember the vacuum cleaner rule. Figure out where the source is (panel or sub). Then run each line (including upsdowns) to each outlets, add 2 feet at each outlet - add extra afterwards. Not sure with school codes for electrical, but say for kitchens, you need 2 sep circuits for the top, circ for fridge, circ for DW circ for GarDisp. etc. Each circuit starts a home run. You can probably find circuit requirements online somewhere. But If it really doesn't matter Put an outlet every 4 feet on the teacher wall. Use 2 circuits and stagger it. Use two more circuits and stagger them (vacuum) rule around the class room (maybe 2 for each wall). (New schools use WAY more power, elect smart boards, laptops, comps, etc). Just get the drawing, imagine what you'd want - draw the runs and add it up, otherwise use the plans. Just think, each circuit comes from the panel, over to the room, to the first outlet, then the next, (dont Y or branch out), and then the last circuit. It's clean, simple and easy. Wires comes easily purchasable in the following lengths from your favt box store. 50,100,250,1000

I have a piece of electrical equipment at a voltage potential of 277VAC to ground. Due to hardware problems I have an air gap of 3/8 from ground to 277VAC when it used to be one inch. Please advise if I am safe to leave it that way or should I add insulation.

That is ok with respect to any possible arc. But there may be other reasons to add insulation. Safety for example. If it's easy to add the insulation, do it. .

I have to declare a major soon, I am in the general engineering program at my school. And I am stuck between chemical and electrical. I love math, physics and chemistry, and have come trhough computer programming unharmed. I intend on going to graduate school when I am finished my bachelors, and in my career I want to be involved in research and development. basically, I would like to work in a lab/ at a desk and design and test new equipment, products etc. Also, I am NOT a hands-on, put on an over-all and crawl around in a factory type of person.What major do you think could best help me further my ambitions? Also, if I pick one, say chemical engineering, would it be easiy to get into grad school in another engineering discipline, such as electrical engineering?4 seconds ago - 3 days left to answer. Report It

i would say go chemical engineering just for the fact you make much more money coming out of college than you would as an electrical engineer. and electrical engineers are hands on people and you have to expect to get dirty so i think the choice for you in majors would def be chemical engineering. no offense just is a better option in my opinion

I'm about to take an automotive electronics class at college but I'm just curious, what are the basics? Say I want to wire a police scanner or some type of lightbar into my car's electrical system. What would this entail? I'd have to pull away body panels, run wire, and hook it into the battery? What about fuses, safeties, etc And also how could I hook my police scanner into my speaker's system?

Fuse blocks in cars often have SPARE (usually disused in some particular model) positions with wires already attached and within the wiring loom, with nothing connected to the end. Knowing what the intended accessory was, might allow you to connect something to its unconnected end, and always, the negative return is the car's frame. The circuit must be capable of carrying the current required. Some of these spares may be connected via the ignition switch, some may not. The next alternative is to run a new wire with a fuse inline, at the supply end at least. It is good practice to fuse the supply end, then have a further fuse at the accessory end (most accessories will already have this). The wire can often be run along and fixed to the existing car looms, passing through the firewall where the loom passes through. Again, negative is anywhere convenient on the car's metal frame. A quick and simple connection is the cigarette lighter, if fitted. Just procure a plug to replace the lighter. It can supply a fair current. So far as connecting a scanner to the existing speakers, I suggest you don't try to, unless the audio/ radio system has an accessory input. Maybe a bluetooth connection might be used, but really, the scanner's own speaker should supply the scanner sound. You can also connect accessories by splicing into existing car circuits, but I would suggest you do your college course first! You really need to understand current and wire sizes and fusing (not to mention basic circuitry!), before splicing into existing wires.