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Find Information About Electricians & Electrical Appliances.
Electricians install electrical systems to provide electricity into homes, businesses, and factories. Electricians install and maintain the wiring, fuses, safety switches and other electrical components through which electricity flows. Many electricians also install and maintain electrical machines in factories. Electricians usually start their work by reading information from electrical plans. Electrical plans offer the required information about the location of circuits, power points, load centers, meter panel boards, and other electrical equipment. To ensure public safety, Melbourne electricians follow the Australian/New Zealand Standard AS/NZS3000 Wiring Rules and when the responsible electrician has completed any electrical work, a Certificate of Electrical Safety are issued that states the electrical work described has passed all required tests and complies in all respects with the Electricity Safety Act 1998 and Electricity Installations Regulations 1999. Other Electrician reference book need to keep up to date include, trade product guides, Victorian Electricity Distribution service & installation rules & AS 3760:2003 testing and tagging rules.
Electricians tools are used to connect all types of wires to circuit breakers,fuses, transformers, power outlets, or other electrical components. An electrician will join the wires in junction boxes with electrical connectors. When installing wiring systems and electrical components electricians use hand tools such as conduit benders, conduit cutters, screwdrivers, pliers, knives, hacksaws, and wire strippers, as well as power tools such as drills and saws. Later an electrician will use ammeters, ohmmeters, voltmeters, and other equipment to test for insulation break-down and earth resistance test to ensure the compatibility, connection and safety of the electrical installation and there components.
Electrical job's generally focus on either servicing, construction or maintenance, although many do most at some stage in there career. Electricians specializing in construction primarily install wiring systems into factories, businesses, and new homes. Electricians specializing in maintenance work fix and upgrade existing electrical systems and repair electrical equipment. When electricians install wiring systems in domestic, commercial or industrial settings, they first install electrical cables inside wall cavity's, partitions or other concealed areas as designated by the electrical plans.
Electrical Cables, Materials
An electrician also fasten small metal or plastic boxes to the brick or concrete walls that will house electrical switches and power outlets or metal plaster brackets for plaster walls. A Electrician will use insulated T.P.S ( thermo plastic sheathing) wires or cables through internal cavity walls or install conduit pipes for external installations, to complete circuits between each power outlet or light point and light switches. The diameter and number of wires installed depends on how much power will need to run through it. The electrician will refer to AS/NZS3008.1 and a number of wiring rules to determine the exact cable size. Generally the greater the diameter of the wire, the more electricity it can handle. Electricians need to be careful not to damage the electric cables when installing them, when cables rub together they tent to burn the insulation away. When a electrician installs thermostat wall control for heating & cooling a single insulated cable with two pair wire is used the polarity is defined with a marking along one side, electricians also use it to for speaker wiring for audio, alarm systems and other basic electronic controls.
Electrical materials usually include double insulated wires, T.P.S which does not need to run through conduit, unless miner protection is needed or needs to be installed underground, single insulated cables need to be enclosed in conduit for added protection. Some electricians also install extra low-voltage wiring systems in addition to low voltage electrical systems. Extra low-voltage wiring system that are a popular example include 12 volt garden lighting,voice, data, and video equipment also telephones, computers, intercoms, electric door bells, fire alarm and security systems. Electricians also may install coaxial cables for Commercial T.V and Foxtel Pay T.V & SelecTV applications or fiber optic cable for telecommunications equipment such as phone points and electronic controls use. Other common materials use by a electrician for electrical installations are conduit fitting, elbows, tee's flexible conduit, saddles,screws,cable clips,light dimmers,switch mechanisms,neutral bars & links.
Maintenance electricians repair or replace electric equipment and electronic equipment when it breaks. They make needed repairs as quickly as possible in order to minimize inconvenience. They may replace items such as circuit breakers switches smoke alarms, electrical and electronic components, or wiring. Electricians often inspect all electrical equipment to ensure it is operating properly and to correct problems before breakdowns occur. Maintenance work on electrical equipment varies greatly, depending on where an electrician works. Electricians who focus on residential work perform a wide variety of electrical work for homeowners which include rewiring electrical cables, repairing or replacing lighting switches, power outlets, electric ovens, stoves, range hoods. With saving energy as a priority and a responsibility for everyone installing a Cent-A-Meter may help home owners and business be aware of energy consumption. They may rewire a home and replace an old switch board with porcelain fuses to new circuit breaker switchboard, install new mains cable and earthing systems to accommodate for additional appliances such as electric ovens, air-conditioning,electric heating or they may install new lighting and other electric household items, such as ceiling fans and exhaust fans. Other electricians might also do some construction and industrial work.
Electricians work environment may be to work indoors and out, at construction sites, in homes, and in businesses or factories. Work may be strenuous at times and may include bending conduit, lifting heavy objects, and standing, stopping, and kneeling for long periods, knee pads have become popular for a electrician that may need to go under floors and up in roofs. Electricians risk injury from electrical shock, falls, and cuts.They must follow strict safety procedures to avoid injuries. When working outdoors, they may be subject to many weather conditions. Some electricians may have to travel long distances to job sites. Most electricians work a standard 35-hour week, although overtime may be required. Those who do maintenance work may work nights or weekends and be on call to go to the work site when needed this is called a 24 hour emergency electrician, who is available after hours in an emergency. Electricians in industrial settings may have periodic extended overtime during scheduled maintenance. Companies that operate 24 hours a day may employ three shifts of electricians.
Electricians training involves a 4 year
electrical apprenticeship, most apprenticeships require a TAFE
electrical course. Pre-apprentice courses are available for students to
study electric modules, before there electrical apprenticeship
begins.The first year electrician, second year electrician and third
year electrical apprenticeship involves electrical school theory
combined with on the job training and the fourth year apprentice
electrician is a full year, on site job training. Some topics an
electrician apprentice will need to master are rules, regulation and
maximum demand, earth resistance,insulation resistance testing, cable
currant ratings,voltage drop,ohms law,circuit loading,3 phase
application,2 phase application, calculation of fault loop impedance
& electrical current flow. Once the electrician apprentice completes there four years of training with all electrical modules passed the apprentices are required to attend a L E M ( Licensing Electrical Mechanics) exam. On Completion of contract of training, all apprentices and trainees working in the electrical trade must apply for an Electrical Mechanics License.