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Linemen work on live wires by using proper insulation gear, and by making sure that there is never any path for current to flow in case the insulation does fail. In some cases, the lineman can be raised to the potential of the line, but you still need the insulation, and you still need the technique of ensuring that no circuit can be accidentally created.
What else can I help you with?
If you have an air solenoid valve DC and the wires are Green Black and White. Which one is positive and negative?
Green= Ground Black = live White = Neutral
Did in philippines have a 2 phase electricity line supply as of now specially in residential houses...?
Two-phase systems have not been in general use for about 100 years because they were replaced by three-phase systems worldwide. Another type of power that is still used is 'split-phase' which is a single-phase supply using a centre-tapped transformer. For example a supply transformer has a 240 v secondary with a grounded centre-tap, so that two separate 120 v live wires are connected to the property, along with the neutral. High-power appliances like cookers or aircon can be connected across the two live wires to work at 240 v. Split-phase is also used in Europe with a 460 v centre tapped transformer used to supply a relatively small remote community, with individual properties fed a 230 v supply from one or other of the two live wires plus the neutral. The advantage is that it reduces the current in the neutral wire, and if both live wires happen to supply equal currents the neutral current going back to the transformer is zero, thus reducing power lost in the wire.
Do simple machines use wires?
some simple machines do need wires and some dont
If a light bulb is connected between 2 wires and both wires have 300 volts of electrical energy is the light bulb lit?
A light bulb connected between to wires, each having 300 volts to ground that are in phase, will not light, because there is no differential voltage available to do any work. If each wire has 300 volts to ground and are out of phase (600 volts between them) the light bulb will be lit, if it is rated at least for 600 volts, otherwise it will burn out.
Why do you hear strange sound beneath high tension wires?
the current causes alternating magnetic fields which shake the wires and they get warm so snow and rain sizzle off the wires.
What are the different types of linemen and their specific roles in the field of electrical work?
There are three main types of linemen in the field of electrical work: distribution linemen, transmission linemen, and substation linemen. Distribution linemen work on power lines that deliver electricity to homes and businesses. Transmission linemen work on high-voltage power lines that carry electricity over long distances. Substation linemen work on equipment that controls the flow of electricity in substations. Each type of lineman plays a crucial role in ensuring the safe and reliable delivery of electricity to customers.
How do linemen ensure they do not get electrocuted while working on power lines?
Linemen ensure they do not get electrocuted while working on power lines by wearing specialized insulated gloves, using insulated tools, maintaining a safe distance from live wires, and following strict safety protocols and procedures.
Who does electrical work?
Electricians are trained to work in the electrical trade. Linemen are trained to work on the primary high voltage side of the electrical trade.
How many linemen are typically on the field during a football game?
There are typically five offensive linemen and four defensive linemen on the field during a football game.
How many linemen in each game rugby world cup?
how many linemen in a game of rugby
What are defensive linemen numbers?
Defensive linemen numbers in the NFL are usually anywhere from 70-99
How can all breakers be live and outlets not work?
The very first outlet in the circuit has a break, probably where the wires enter the receptacle.
What are the ratings and certificates for Live Wires - 1946?
Live Wires - 1946 is rated/received certificates of: USA:Approved
What are the dangers present when doing electrical work?
There are many dangers present when doing electrical work including overhead power cables and electrical wires which are obvious and then there are the less obvious ones like cables underground and loose live wires. It is advisable not to do electrical work if you are not a trained professional.
What are the release dates for Live Wires - 1921?
Live Wires - 1921 was released on: USA: 17 July 1921
What are the release dates for Live Wires - 1923?
Live Wires - 1923 was released on: USA: 26 August 1923
What are the release dates for Live Wires - 1946?
Live Wires - 1946 was released on: USA: 12 January 1946
