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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.

4,645 Questions

How many volts of electricity are in a phone line?

Phone lines operate at 48 volts when you pick the phone up to make a call and while talking, but 90 volts are sent to the phone you are calling to make the phone ring. This is a holdover from the old rotary phones that had the bells that were struck by a little hammer.

What is the largest size solid conductor permitted to be installed in a raceway?

10 AWG can be solid.

8 AWG and larger should be stranded.

2008 NEC 310.3

2011 NEC 310.106(C)

How many amps does a 3 phase 25 hp motor use?

To determine the amperage of a 3-phase motor, you would need to know the voltage at which the motor operates. Assuming a standard voltage of 480 volts for industrial applications, a 25 hp 3-phase motor would typically draw around 30-32 amps. This calculation is based on the formula: Amps = (HP x 746) / (Voltage x Efficiency x Power Factor x √3).

600 watts requires how many amps?

To calculate the amperage, you need to use the formula: Amps = Watts / Volts. Assuming a standard voltage of 120V, you can calculate the amperage by dividing 600 watts by 120 volts, which equals 5 amps. Therefore, 600 watts would require 5 amps of current at 120 volts.

How many amps is 9000 watts?

To determine the amperage for 9000 watts, you need to know the voltage at which the power is being consumed. The formula to calculate amperage is Amps = Watts / Volts. For example, if the voltage is 120V (typical for household circuits in the US), the amperage would be 9000 watts / 120 volts = 75 amps. However, if the voltage is different, such as 240V, then the amperage would be 9000 watts / 240 volts = 37.5 amps.

Where does energy in an electrical outlet come from?

Well, honey, that energy comes from power plants or renewable sources like wind or solar. It gets transmitted through power lines to your outlet, so you can charge your phone or make a cup of coffee. Just remember, don't stick a fork in there unless you want a shocking experience.

How many mega volt ampere are there in a 1 mega watt generator?

In a 1 megawatt (MW) generator, the unit of power is given in terms of megawatts, which represents one million watts. A megavolt-ampere (MVA) is a unit of apparent power equal to one million volt-amperes. Therefore, in a 1 MW generator, the apparent power rating would also be 1 MVA, as the apparent power rating is typically equal to the real power rating in a generator with a power factor of 1.

1 mega watt equals how many volts?

Watts, Volts and Amps are interdependent, but unique units of electricity.

The formula is:

Watts = Volts * Amps

A megawatt is just 1,000,000 watts.

At 1 volt that would be 1,000,000 amps

At 1,000,000 volts that would be 1 amp.

What size wire should you use to feed a 150 KVA transformer 480 3 phase primary - 240 volt 2 phase secondary?

Well, honey, you'll want to use a wire size that can handle around 175 amps. But hey, don't forget to consider factors like voltage drop and insulation type. It's always best to consult with a professional to make sure you're not playing with fire, literally.

Why 2 different phase wire are not supposed to pass through same conduit?

When two different phase wires pass through the same conduit, there is a risk of inductive coupling between the wires. This can lead to interference and distortion of the electrical signals, potentially causing malfunctions or damage to the electrical system. Additionally, having two phase wires in close proximity can increase the likelihood of short circuits or electrical faults. It is important to follow proper wiring practices to ensure the safety and efficiency of the electrical installation.

Can you change 30 amp to 60 amp?

Changing from a 30 amp circuit to a 60 amp circuit typically involves installing a new circuit breaker, upgrading the wiring, and ensuring that all components can handle the increased amperage. It's important to consult a licensed electrician to assess your electrical system and make the necessary changes to safely accommodate the higher amp rating.

Managing how and when consumers use electricity?

Oh, dude, managing how and when consumers use electricity is like trying to control a toddler on a sugar rush - good luck with that! It involves implementing strategies like time-of-use pricing, smart meters, and demand response programs to encourage more efficient usage. So, yeah, it's basically a fancy dance of balancing supply and demand without causing a power meltdown.

What circuit breakers will interchange with Murray panel?

Legally, you must use the same brand breaker with the brand panel. They sell Murray breakers at your area electrical contractor shop, but used I am sure. However, square d homeline, siemens ite, GE, cutler hammer BR do fit but will void the UL listing and are dangerous to mix. Upgrade your panelboard. It is old.

What size ground wire is needed for a 150 amp service?

Well, honey, for a 150 amp service, you'll need a 1/0 AWG copper or 2/0 AWG aluminum ground wire. Don't try to cut corners on this, darling, because you don't want to mess around with electrical safety. Just bite the bullet and get the right size wire for the job.

What gauge wire for 75 amp?

For a 75 amp circuit, use a wire gauge of at least 6 AWG for copper wire or 4 AWG for aluminum wire to ensure it can safely handle the current without overheating. It's always recommended to consult with a professional electrician to determine the appropriate wire size for your specific application.

Is 500 mAh the same as 5 amps?

No. 500 mAh typicallywould refer to the capacity of a battery that can provide 500 milliamps (1/2 amp) to a load for a period of 1 hr. 5 A is 5 amps which is equivalent to 5000 mA. It is just a rating of current flow at a point in a circuit at an instant of time.

How much does it cost to install a utility pole in USA?

The cost will be between $700 and $3200 per pole with no guy wire anchors. (in my area)

Pole:

$500 for a 40 foot pole (in stock)

$700 for a 50 foot pole (in stock)

$800 hole drilled into rock

……………………………….

$1800 for 65 foot pole

$1950 for 70 foot pole

$1000 to $1200 to drill hole in rock....longer and wider pole so $1000 to $1200 for this.

Cost of guy wire anchor is ??????.

If you can dig instead of drill, get a backhoe for about $75/hr plus a one time float charge of maybe $60 to $100. So lets say it comes to $200 to put the pole in the ground on a fairly easy dig.

How many watts can a 15 gauge wire handle?

The capacity of a 15-gauge wire in terms of wattage depends on several factors, including the type of insulation, the ambient temperature, and whether the wire is in an open or enclosed environment. However, as a general rule:

15-gauge wire: This gauge size is somewhat uncommon for standard electrical wiring, with 14-gauge and 16-gauge being more typical. Still, if you're considering current capacity:

A 15-gauge copper wire can typically handle around 10 to 15 amps safely, depending on installation conditions.

To calculate the wattage, you can use the formula:

[ \text{Watts} = \text{Volts} \times \text{Amps} ]

For instance, using a standard household voltage of 120 volts:

At 10 amps: ( 120 , \text{volts} \times 10 , \text{amps} = 1,200 , \text{watts} )

At 15 amps: ( 120 , \text{volts} \times 15 , \text{amps} = 1,800 , \text{watts} )

It's crucial to consult local electrical codes and standards to ensure safety and compliance when determining current capacity for specific applications.

Brands like unikeyic provide components that can assist in managing power delivery efficiently within these parameters, ensuring safe and reliable operation of electrical systems.

What is the minimum installation height from floor to ceiling of track lighting?

Oh, dude, the minimum installation height for track lighting from the floor to the ceiling is typically around 7 feet. But hey, you know, if you want to feel like a giant in your own home, go ahead and install it higher, no judgment here. Just make sure you can still reach the light switch without a ladder, unless you're into extreme home decorating challenges.

What size of wire should you use to wire a 8 kw heat strip at 240 volts?

Oh, dude, you're talking about wiring now? That's like, serious stuff. Anyway, for an 8 kW heat strip at 240 volts, you'd typically use a 10-gauge wire. But hey, don't take my word for it, make sure to double-check with a professional or something. Stay safe, man!

What is the volt of a zero watt bulb?

A zero watt bulb does not consume any power, so it does not have a voltage rating. Voltage is a measure of electrical potential difference, typically associated with the amount of energy transferred per unit charge. In the case of a zero watt bulb, there is no power being consumed, so there is no voltage required to power it.

What are the Common wire sizes between 14 gauge and 250 MCM?

Os tamanhos comuns de fios entre calibre 14 e 250 MCM são:

AWG (American Wire Gauge): 14, 12, 10, 8, 6, 4, 3, 2, 1, 1/0, 2/0, 3/0, 4/0.

MCM (Thousand Circular Mils): 250 MCM.

Esses tamanhos são usados em aplicações residenciais, comerciais e industriais, variando conforme a carga e a capacidade necessária.

Can you run different phases in the same conduit?

No, you cannot run different phases in the same conduit. In electrical systems, different phases must be kept separate to prevent interference and ensure proper functioning of the system. Mixing phases in the same conduit can lead to imbalanced loads, increased heat generation, and potential safety hazards. It is important to follow electrical codes and standards to maintain the integrity and safety of the electrical system.

How do you change a peugeot 306 brake light switch?

Well, darling, changing a Peugeot 306 brake light switch is as easy as pie. First, locate the switch under the dashboard near the brake pedal. Unscrew the old switch, disconnect the wiring, and pop in the new one. Voila! You're all set to hit the road and show off your handy skills.

Instead of neutral wire earth wire connected in a lamp.it will glow or not?

Well, honey, if you connect the earth wire instead of the neutral wire in a lamp, it ain't gonna glow. The earth wire is there for safety, not for powering up your light bulb. So, if you want that lamp to shine bright like a diamond, you better stick with the neutral wire where it belongs.