answersLogoWhite

0

📱

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

How many amps does a 19 inch TV use?

it depends on the brightness and whats connected to it eg wii DVD player etc

Would using a 60 foot extension cord which is 6 gauge 3 wire cord on a 220 volt single phase welder present any problems?

It shouldn't. Check the nameplate for input amperage of the machine. Your #6 wire is good for 60 amps. If the nameplate amperage is below 60 amps then you are good to go.

What does properly grounded mean?

Properly grounded means that all metallic parts of equipment capable of carrying current, in a short circuit condition, will have the same or be at the same potential as that of the service ground.

Are towels near heat lamps a fire hazard?

no,not if you have the towel on top of the heat lamp, but if you have the towel underneath it then it is possible

If a cable insulation is described as rhw you would be able to use the cable for what maximum temperature?

If a cable insulation is described as RHW, you would be able to use the cable for what maximum

temperature

How many outlets can you have on one circuit?

Depends on what the outlets are controlling, size of the wire, and size of the breaker.

What is the table 310.16 of the NEC?

It's a table that shows the ampacity ratings for the particular wire size and insulation you are using. Example: #12 THHN CU is rated @ 30amps under the 90 degree column. (#12)is the wire size, (THHN)is the type of insulation on the wire (CU)is copper. You shouldn't be using the chart unless you're a qualified electrician simply because there are many sub rules and exceptions.

What side of a LED do you hook up to ground?

Of the two leads on the LED, one is shorter than the other. The short one is grounded. (Negative)

How do wedges help us to do work?

Wedges help us do work by converting a force applied to the wedge into a splitting or separating force, allowing us to exert greater force to break apart objects like rocks, wood, or soil. This makes it easier for us to perform tasks such as cutting, splitting, or lifting heavy objects using less effort.

What effects did the light bulb have on the world?

many many effects.... helped medicine, war, mining, night travel, longer working hours, greater safety......

What is a pendent?

A sprinkler designed to be installed in such a way that the water stream is directed downward against the deflector.

Is the switched portion of an outlet mounted toward the top or the bottom?

There is no switch on an outlet. You can mount an outlet with the ground up or down. Most electricians I know mount the ground down as I do.

What is the maximum height of an operating handle for an overcurrent protection device in its highest position?

Six feet

In the United States, the NEC allows installation up to 6 feet 7 inches high. This is great information because, in my opinion, panels are often installed much too low. You do not have to use this height, but consider the convenience of finding the right breaker when something goes out.

How many watts will a 150 watt High Pressure sodium light with a capacitor draw?

It will draw 150 watts. The capacitor is there only to increase the voltage enough to "excite" the free electrons in the gas to ignite.

What is the rate at which appliances consume energy?

Any appliance should have a label attached giving its rating in Watts or kilowatts. This is for when it is running, appliances like fridges should also have a rating based on their average power consumption.

What is the main function of a contactor?

A contactor is another name for an electrical relay. It is a device that allows a low current (normal) switch to turn on or off high current equipment such as heaters or air-conditioners that would be well beyond its capacity.

What protection is required when cables pass through holes in metal work?

A protective bushing has to be installed so that the outer sheath of the cable is not damaged during the installation.

How many amps does a 12 volt light draw?

Have to know the wattage or resistance of the lamp to answer this question.