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New Electrical Work
Electrical work ranges from the installation of new electrical components to the maintenance and repair of existing electrical infrastructure. It may also include wiring airplanes, ships and other mobile platforms.
4,938 Questions
What is a basketball's main components?
The four main components of a basket ball are the cover, the stitching, the lining and the bladder. The surface of basket balls or coverings are made up from synthetic leather and not full grain leather (as used in the past) because leather has a tendency to absorb water causing the ball to become very heavy. Synthetic leather is typically made from polyurethane and poly vinyl chloride. DIS DUDE IS GAY
How much should you pay for a set of golf clubs?
Money isn't so much the issue as is what is going to work best for your game. You could spend $2,000 on a Callaway set-up, or you could spend $200 on something from a knock off collection like Tour Design. You will, however, get what you pay for. I'd recommend first deciding where your game is at. If you are just starting, don't spend a fortune....find out if you're going to enjoy the game first. Rent clubs to play with from the pro shop, or keep your bill between $200-$300 if you insist on buying them. If you decide to press forward with the game, invest....don't just throw money around because it's a pro-line club. Ultimately, what you're looking for is a set of clubs that is going to feel right to YOU, and work best for YOU. Just because Tiger Woods is hitting Nike irons doesn't mean the same clubs are going to bring your game to his level. It's a game of feel, and there is no price tag that will make that little white ball go in the hole any sooner. Test all different brands, they all feel different in one way or the other (i.e. A blade is not going to be near as forgiving as a cavity back. So if you mishit a blade, every muscle you used for that shot is going to feel the miss). If you don't know enough about the feel for a club yet, talk with your local pro about the different clubs and the technology used in each of them, and have him work with you a club at a time. I highly recommend staying away from 11-piece sets and box sets when purchasing clubs. They don't all have to be Taylor Made clubs.....all the pros have mixed sets in their bags.....it's a game of feel.
Which one is more cost effective run 110 volts or 220 volts swimming pool pump?
Whenever you have the electric available to do so, always choose the higher voltage. Reason being if you look at the spec plate on the motor you will see that the amp draw is significantly less when wired for 220.
In some cases depending on the horsepower and the brand the difference can be as much as half. Lower amp draw equates to a cheaper operating cost.
True or false stranded wire has a slightly smaller diameter than solid wire?
They should be the same but have different purposes. Stranded wire will flex easier than solid wire. And if one strand breaks there are sufficient numbers of other strands to continue the electrical current. When a solid wire breaks all connection is lost.
Do I need GFCI breakers for 30 amp 240 volt receptacle in a commercial kitchen?
Usually no. Not unless the receptacle is in the vicinity of standing water. This is to protect the person that has to disconnect the plugged in device from the receptacle, while standing in the adjacent water.
A panel beater also referred to as a smash repairer, are qualified auto body repair experts that fix automobiles and vehicles of all makes and models when dented, smashed, or scratched.
This normally involves insurance work. Panel Beaters and Smash Repairers also help clients in need of repair work without insurance.
What re size for a 220 volt 100 amp panel distance d 100 feet?
A #1 copper or 1/0 aluminium conductor will limit the voltage drop to 3% or less when supplying 100 amps for 100 feet on a 240 volt a single phase system.
How do you wire on delay timer?
The timer will have terminals associated with it. They may be on a relay socket that the relay plugs into. There will be two terminals used to bring the supply voltage to the relay timer. The load will be connected in series to either an open or closed set of contacts on the relay. The load voltage is controlled by the timer relay.
The operation is, when the timer relay coil is energized the timing circuit in the relay is energized. This starts counting down until the time set point is reached and then the contacts either open or close depending on what set of contacts that you connected the load to.
Some timer relays need to have the timer coil circuit de energized to reset the timing relay, others use a separate input voltage terminal on the relay to reset it without having to de energize the whole relay.
Who many amps are needed to feed a 600 v to 480 v 3 phase 70 KVA transformer?
The equation for amperage when the kilowatts are known is Amps = kVA x 1000/1.73 x Volts.
The electrical code states that a feeder for a transformer has to be rated at 125% for the primary and secondary load amperages.
The amperage on the primary needed to supply a 70 KVA three phase transformer to its full capacity at 600 will be 68 amps. 68 x 125% = 85 amps. A #4 copper conductor with an insulation factor of 90 degrees C is rated at 95 amps.
The amperage on the secondary needed to supply a 70 KVA three phase transformer to its full capacity at 480 will be 84 amps. 84 x 125% = 105 amps. A # 3 copper conductor with an insulation factor of 90 degrees C is rated at 115 amps.
What is a welder's duty cycle?
The terminology in the electrical trade as to duty cycle refers to the amount of "on time" as to the "off time". When referring to equipment that have a high current on time, it is usually using components or wire that are sized smaller than what they should be and can not cool themselves.
These components can not dissipate the heat generated quick enough and can only be on for a certain amount of time. This type of equipment is given a duty cycle. The duty cycle has to have an equal or greater off time to let the equipment cool down. It is this ratio of "on time" to "off time" that is the equipment's duty cycle.
For example, motors due to their design usually have a 100% duty cycle, meaning that the motor can operate continuously without having to be shut down to allow it to cool off.
Will a GFCI work properly using a 2 wire plug?
Yes, Ground Fault Circuit Interrupters were specifically designed to provide protection against harmful electrical shocks on circuits without the third wire ground. They cause a circuit breaker to pop if the magnitude of the current is not the same in both the hot and neutral wires (indicating current leakage to something else like a person or water).
However they also happen to make grounded three wire circuits even safer than they already are.
What the breaker size require for kW?
The use of a breaker in a circuit is to protect the wire size used in the circuit from becoming overloaded. Using the wattage of the load does not help for breaker sizing because the breaker operates on amperage. Amperage can be found from wattage by using the following equation. I = W /E. Amps = Watts / Volts. As you can see the amperage can not be calculated because there is no voltage stated.
How should the feeder wires to a subpanel from the main panel ideally be protected?
Sub panel feeder wires are run just the same as any of the circuit wiring in the house. The sub panel is just another load circuit. Make sure that the correct wire sizing is done to feed the sub panel. It can be run behind wall board. If run on the bottom of the floor joists it is best to nail a board to the underside of the joists and then staple or strap the cable to it. If it is below the five foot level from floor grade and on the surface it must be mechanically protected until it rises above the five foot level.
What size wire do I need to run a 20 amp circuit 650 feet?
It's going to take a whopper of a wire to run a 20 amps 650 feet. I'd feel more comfortable if a journeyman electrician would come by to access my answer. But, my calculations show it would take 4 AWG wire to do it. If you want you could run two 7 AWG wires in parallel.
What wire size do you need for a 125 amp panel with a 100 amp main breaker?
A #3 copper conductor with an insulation factor of 90 degrees C is rated at 115 amps. Even though the panel is rated at a higher amperage it is the main breaker that governs the wire size.
What is the minimum size wire allowed for a parallel run?
The minimum size wire that can be paralleled together stated in the electrical code book is a #3 copper conductor.
How many amps needed for 50kva?
To answer this question a voltage value must be stated. Divide the voltage into 50 KVA and your answer will be in amps.
What does 50 MCM equal in AWG?
50 MCM (thousand circular mils) is equivalent to approximately 1/0 AWG (American Wire Gauge). Specifically, 50 MCM is about 0.46 inches in diameter, while 1/0 AWG has a diameter of about 0.324 inches. In the AWG system, MCM is often used for larger wire sizes typically found in industrial applications.
Regular Dimmer will work.
What size conduit for four 4 cables?
Conduit sizing is based on the number of conductors that are drawn into it. Without the number of 1000 MCM conductors, an answer an not be given.
This is a voltage drop question. A 500 MCM copper or 750 MCM aluminium conductor will limit the voltage drop to 3% or less when supplying 300 amps for 500 feet on a 240 volt system. Paralleling these conductors will allow the rating to be increased to 600 amps.
