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Careers: Engineering & Electrical Trades/Questions
| Subject | Date Asked | Expert |
| Engineering Career | 4/17/2012 | David Coil/C. R. Construction |
| Q: I have a question about careers in engineering and contracting. As of now, I am in a technical ... A: My brother is in the mechanical field, refrigeration and moving air. His services are going to be ... | ||
| motion detector | 2/14/2012 | Dave Nyce |
| Q: I have an old Heath/Zenith motion detector that is about 25 years old but never used that I would ... A: That means not to use it with standard fluorescents or with motors, etc., because they can have ... | ||
| VOLTAGE PRESENCE/ABSENCE SENSOR | 12/31/2011 | Dave Nyce |
| Q: I'm planning to design a system to detect the absence and presence of 110 dc voltage but I'm not ... A: You could use a simple voltage divider with the 110VDC going through a 100k resistor, then through a ... | ||
| Thank you! | 3/22/2011 | David Coil/C. R. Construction |
| Q: You just saved me probably $40 by answering (in 2006) a basic question re how to fix a problem of ... A: I am Soooo glad that I was the One to give the answer that solved your problem. I am learning from ... | ||
| Tesla Coil | 12/8/2010 | Dave Nyce |
| Q: How are you? I would like to build a Tesla coil. I know something about it but I need more ... A: There are lots of webpages that show how to build Tesla coils. And some people sell kits of parts or ... | ||
| Engineering Interview | 8/30/2010 | Dave Nyce |
| Q: Nyce. I am in an engineering class at school, and we have been assigned a project to interview a ... A: 1. BSEE, MBA 2. self-employed 3. sensors 4. owner 5. design of various types of sensors 6. 60 hours ... | ||
| career as estimation engineer | 6/7/2010 | David Coil/C. R. Construction |
| Q: I am a civil engg: graduate working as an estimation engineer in India. I would like to relocate to ... A: MOST people looking to find a new job...must first MOVE to the new location. It is extremely rare ... | ||
| question | 4/19/2010 | Dave Nyce |
| Q: Which stream should be selected to become an airplane engineer in India? I know this is a foolish ... A: I am not sure exactly what you mean by an airplane engineer, but I suppose that you mean an ... | ||
| low voltage electrical education | 2/21/2010 | David Coil/C. R. Construction |
| Q: I'm 47 years old. I've been working in the residential and commercial remodel field since the age of ... A: There are very few low volt programs...which makes no sense. All alarms systems are low volt...all ... | ||
| help? | 11/11/2009 | David Coil/C. R. Construction |
| Q: I'm a bit lost - on an electrical installation course and just trying to get ahead with some of the ... A: I will answer what I know. Volt meters read voltage line to line, and line to neutral. ... | ||
| obtaining further training to become an apprentice or journeyman | 6/27/2009 | David Coil/C. R. Construction |
| Q: I have been employed be the same company, since I graduated high school 17 years ago as an ... A: Yes Michigan is hard hit...and moving is the last option, furthering your education is always a ... | ||
| Need help fixing a goof | 5/20/2009 | David Coil/C. R. Construction |
| Q: I am installing an old work 1 gang box and cut the hole too big in the sheetrock by mistake. Now ... A: Gets some fairly strong tin...bend a right angle...1"x1" and 6" or so long. Use the angle to put in ... | ||
| splice | 5/16/2009 | David Coil/C. R. Construction |
| Q: We have a cottage and there was a power connection buried that runs to the boat house to supply ... A: The "Patch" may not have been successful, or water or moisture has gotten into the connection and ... | ||
| Engineering carrer | 12/31/2008 | David Coil/C. R. Construction |
| Q: Good After noon Sir, I am a final year B.E(Mechanical) student from Mumbai University(India). ... A: Mechanical Engineers WERE in high demand. It is a flooded market now....not many new hires. Only ... | ||
| How is it that "Electrical & Electrical Trades" is categorized under "Chemical Engineering"? | 11/3/2008 | David Coil/C. R. Construction |
| Q: David - as one of the AllExperts in the "Oil/Gas" category and having just recently applied to be an ... A: USE the contact us....it usually gets a response in 48 hrs. Keep in mind....the dummies that are ... | ||
| battery | 10/28/2008 | Dave Nyce |
| Q: space heater up to it for camping. I guess i was wondering if that would work, and how long it ... A: A small space heater dissipates about 1500 watts. At 12 volts, that would be about 125 amps. With ... | ||
| Electrical problems | 10/24/2008 | David Coil/C. R. Construction |
| Q: I have a circut thats really acting strangely. When I test it it says it has voltage to it but when ... A: Unfortunately, there are alot of possibilites. The open ground may be a signal that you lost a ... | ||
| electricity | 9/23/2008 | David Coil/C. R. Construction |
| Q: how are buildings protected against lighting stroke? how is electricity distributed in multistorey ... A: If there is a metal column/post on the exterior....it would get the lightning. It would be based ... | ||
| Engineer in wind power | 8/1/2008 | David Coil/C. R. Construction |
| Q: I've been reading about the wind power and windmill industry in California and got the impression ... A: The Tehachepis mountains, and the Livermore Altamont Pass, is HUGE wind power. 10's of thousands of ... | ||
| what is better for me? | 6/24/2008 | David Coil/C. R. Construction |
| Q: am in 10th now and have thought of taking science or commerce but i also want to know in streams if ... A: Commerce. NO DOUBT. Science is rewarding....and fun...but not a great carreer to get into. ... | ||
| Apprenticeships | 5/31/2008 | David Coil/C. R. Construction |
| Q: Coil, I am curious about how to obtain an apprenticeship as an Electrician. I also wonder how my ... A: Number 1...it sounds like you want to do it right...you have the ability to learn and looking for a ... | ||
| a question about replacing a case fan | 12/27/2007 | Dave Nyce |
| Q: Dave, Seasons Greetings. I'm trying to replace a defective case fan in my Direct TV tuner and have ... A: Of course, it would be better to replace it with the exact part (but I'm sure you realize that). The ... | ||
| electrical panel | 12/15/2007 | David Coil/C. R. Construction |
| Q: I have a surf board factory the is in a 25 year old building. I just brought in a cnc machine that ... A: So you have a 3phase service, do you have #6 feeding a 100amp sub panel, do you have a request in ... | ||
| electrric baseboard wall heater | 11/7/2007 | David Coil/C. R. Construction |
| Q: when my heater is on, it makes popping sound, and carries an order. the order smells like some ... A: In many cases the metal is expanding and contracting with the flow of electricty causing the noise. ... | ||
| Pneumatic Transmission | 10/22/2007 | Dave Nyce |
| Q: Sir, In standard way Pneumatic Transmission is done between 3 to 15 Pounds Per Square Inch (Psi). My ... A: The scaling of 3 to 15 PSIG as a pneumatic signal was done so that the signal would have a live ... | ||
| Electrical raceway | 10/14/2007 | David Coil/C. R. Construction |
| Q: I am renovating an historic building. The walls are now sandbalsted granite and brick. I need an ... A: The conduit and any other preslab inspections will be needed. Be sure to wrap any piping that is in ... | ||
| Building a new home | 9/10/2007 | David Coil/C. R. Construction |
| Q: My husband and I are building a new home. We are acting as our own GM. We were told that both ... A: If the low volt is not included, it will be a noticeable, but not significan difference. Maybe ... | ||
| Building a new home | 9/9/2007 | David Coil/C. R. Construction |
| Q: My husband and I are building a new home. We are acting as our own GM. We were told that both ... A: Plumbing is considerably less than electrical. Plumbing is limited to 4 areas. Wire is running ... | ||
| Electrocution via Manhole Covers | 8/31/2007 | David Coil/C. R. Construction |
| Q: In the Boston area there have been a series of cases in which dogs are electrocuted when they come ... A: If we assume it is an asphalt roadway, it is not a good conductor. If the manhole is being ... | ||
| acceptance of "red seal" ticket in Grand Cayman | 8/24/2007 | David Coil/C. R. Construction |
| Q: Hey There! I live in British Columbia, Canada, and I just recently earned my "Red-seal" journeyman's ... A: IN many cases the certificates of other countries is only accepted as proof of experience, but the ... | ||
| 220 wiring | 8/13/2007 | David Coil/C. R. Construction |
| Q: I am trying to convert my 110 volt motor two 220 volt. I installed a new double breaker in the ... A: If you dont have a meter reading when touching the two "hot" legs...then you dont have a 220volt ... | ||
| electric dryer | 8/4/2007 | David Coil/C. R. Construction |
| Q: After doing laundry all day last week, down to my last load, I smell this awful smell. I figured it ... A: Breakers do go bad. Not often fortunately. The wires were overheated more than once. It has been ... | ||
| Batteries | 8/1/2007 | Dave Nyce |
| Q: Good Morning. My question today focuses on batteries and battery maintenance - specifically for ... A: Most new phones and computers use lithium cells, which do not have the "memory" problem. Some ... | ||
| Batteries | 7/31/2007 | Dave Nyce |
| Q: Good Morning. My question today focuses on batteries and battery maintenance - specifically for ... A: with a nicad, you should run it down because repeated topping off will reduce the effective amp ... | ||
| hi | 7/21/2007 | David Coil/C. R. Construction |
| Q: re:The meter belongs to Coned...there is no place to tie in before the meter..it is wired directly ... A: At this point, I would just tell you that you should not worry about your neighbors problem. If ... | ||
| hi | 7/19/2007 | David Coil/C. R. Construction |
| Q: lately i ahve heard of someone that out of deseperation is hiring an electrician to install ... A: The meter belongs to Coned...there is no place to tie in before the meter..it is wired directly to ... | ||
| hi | 7/18/2007 | David Coil/C. R. Construction |
| Q: lately i ahve heard of someone that out of deseperation is hiring an electrician to install ... A: The utility company only cares about the wires to the meter. Any wiring done after the meter is no ... | ||
| home electric problem | 7/17/2007 | David Coil/C. R. Construction |
| Q: David, I do not have electricity in my two bedrooms only! All other rooms and appliances are fine, I ... A: Depending on the age of your home...newer codes have adopted that bedrooms be protected by AFCI ... | ||
| Price for transformer | 4/29/2007 | David Coil/C. R. Construction |
| Q: I am a retailer considering submitting an LOI on a site. Currently, the unit only has 60 amps and I ... A: Your Power Company is the place to start. Normally they will deliver the transformer needed to ... | ||
| grounding | 4/19/2007 | David Coil/C. R. Construction |
| Q: I work for a sign company and we do a lot of work with vinyl. We use a plotter/cutter to cut it and ... A: The machinery is not the problem. It is very well grounded. You are isolated. If you were to ... | ||
Careers: Engineering & Electrical Trades
Answers by Expert:
David Coil/C. R. Construction
Top Expert on this page
Expertise
I am a residential and small commercial contractor, and a licensed Electrical Contractor.
Experience
I have been in construction for 35 yrs. I dont know all there is....but I do know how to trouble shoot and correct most problems.
Organizations
I am a California and Nevada Licensed Contractor
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