Do You Understand What Is Electric Shock? You need to make sure every part of the circuitry has been discharged. In potentially wet areas of a home, such as bathrooms, kitchens, and laundry rooms, some or all of the outlets must have GFCI (ground-fault circuit-interrupter) protection, provided by GFCI outlets or a GFCI breaker. An analog voltmeter moves a pointer across a scale in proportional to the voltage of the electrical circuit. Very logical. Edvard is doing a great job in sharing the knowledge which I am sure is helpful to many electrical engineers and technicians.. I am glad I found them. Televisions, lights, computers, freezers, vacuums, and toasters are all good examples of devices that can be plugged into an outlet. Design & Fashion At times accidents do not occur due to negligence but unintentional short cuts in the process of rushing to get unplanned work finished. Afterall, it’s stupid to do so. In the event of a fire or flash flood, or if work needs to be done on the system, a disconnect switch allows you to shut off the power from outside the home so you don't have to enter the home to turn off the power. Also known as needle-nosed pliers. its really really important to know this inst. Usually only a few kilowatts. Timothy Thiele is an electrician who advises residential DIYers on how to make home installation projects safe and easy. It is sized according to your home's service capacity. A resistor is a component that resists the flow of current. 9 If water or a chemical is spilled onto equipment, shut off power at the main switch or circuit breaker and unplug the equipment. A main breaker of 200 amps will allow a maximum of 200 amps to flow through it without tripping. REFERENCES. Electronic/bench testing equipment and supplies simulate operating conditions and perform functional tests to see if devices are working correctly. The state … Never handle electrical equipment when hands, feet, or body are wet or perspiring, or when standing on a wet floor. Thank you for the electrical safety tips! Get daily tips and tricks for making your best home. However these rules are pretty much universal and apply at all power levels. Basic Schematic Symbols. E E 1 F C Basic Electricity and Electronics $ 3 3 2 . Academic Program for Nuclear Power Plant Personnel, Volume IV, Columbia, MD: General Physics Corporation, Library of Congress Card #A 326517, 1982. If you are working on electrical circuits or with electrical tools and equipment, you need to use following golden safety rules: Avoid contact with energized electrical circuits. These safety rules are lifesavers for many. Turning off a breaker shuts off the power to all of the devices and appliances on that circuit. I really liked the hands on troubleshooting. It is very useful article and would suggest others too. Equipment producing a “tingle” should be disconnected and reported promptly for repair. Thanks a lot for this information. By Doug Lowe . We use these for cutting, bending, twisting wires, etc. Good advice, thank you for your good work of educating people. Sienko and Plane, Chemical Principles and Properties,2. thanks yoy for th guud insigtfl cumennt goud bles, Sir, All above safety rules are very fine. There may be a dangerous fault situation in the circuit. Thanks for your knowledge, which is important on technical and handling. They should have wire cutting knives as well. Electronics Class: While it may seem intimidating at first, learning electronics is fun and easy. Magnifying Glass 5. If an individual comes in contact with a live electrical conductor, do not touch the equipment, cord or person. Objective: Explain basic electrical principles. They come in many different styles and colors to suit your design needs. Air ionizers and antistatic systems and supplies reduce static electricity to help ensure a safe environment for building and testing electronic devices. When the switch is on, the circuit is "closed," and power flows beyond the switch to the light or another device it is controlling. Study specialized technical articles, electrical guides, and papers. Thank you Brunolda. Here one can find information about many different types of equipment: tv (plasma, tft-lcd, widescreen, hdtv), dvd, vcr, car audio,gsm,digital camera, computer monitors (tft-lcd panels or conventional crt), test equipment, power supplies and many more digital and analogue electronic devices. Hack saw 6. There are certain tools they require to carry out their job effectively and safely without causing any harm to themselves and those around them. This Instructable will hopefully demystify the basics of electronics so that anyone with an interest in building circuits can hit the ground running. The utility company handles the line portion of your service, which includes everything up to the attachment point on your house. The work area doesn’t need to be fancy and you could even build your own electronic workbench. I couldn’t think any other rules, however I would make one change and that would be to combine rule 3 with rule 13. Safety rules help you control your and others risk of injury or death from workplace hazards. A third service cable, the neutral, connects to the neutral bus bar inside the panel. thankssss. The 101 Basics Series provides a solid foundation of power distribution and control equipment knowledge. Hand Tools Specification 1. After all, the whole purpose of electronics is to get electricity to do useful and interesting things. For example consider the diode, which is an active component. Very useful rules! In a tripped state, no current will flow to the panel. In many circuits, these components are used to build the circuit, which are classified into two categories such as active components and passive components. We are going to use a battery to provide the electrical potential. I will show her this article and make her learn all the rules. This law basically states that current into a node will equal the current out of the node. When you flip a switch off, it "opens" the circuit, meaning the circuit is broken or not complete and the power is interrupted. Electronics Workbench Basics. After it flows through the household system, it is fed back to the utility on the neutral wire, completing the electrical circuit. Directions: On a separate piece of paper, classify the different kinds of hand tools according to their specification in Consumer Electronics Servicing. Fundamentals of Electrical Distribution. Service — The conductors and equipment used to deliver energy from the electrical supply system to the system being served. A lineman’s plier, or a bull nose plier with a wire cutter, and at least 8″or 9″ handles is also an essential part of the electrical tool list. Resistors come in a variety of resistance values (how much they resist current, measured in units called ohms and designated by the symbol Ωand power ratings (how much power they can handle without burning up, measured in watts). Do not wear loose clothing or ties near electrical equipment. People depend on electricity constantly, and when the power goes out in a storm or there's a tripped breaker or another problem in an electrical circuit, understanding the basic components of an electrical system can help you get things running again. In the first three lessons I introduce new tools, skills and concepts. Never touch another person’s equipment or electrical control devices unless instructed to do so. These are used for critical-use appliances, such as refrigerators, furnaces, and water heaters. Thanks Mr Edvard for the life saving tips on electricity, Many of above tips are so common that probability to be forgotten is very high ;). It is suitable for use in dry, protected areas (inside stud walls, on the sides of joists, etc.) Electrical equipment part of the distribution system in a large building Electrical equipment includes any machine powered by electricity. Your home's electricity starts with the power service and electric meter. 21 Safety Rules for Working with Electrical Equipment, Electrical engineer, programmer and founder of. Devices are connected to the individual branch circuits that start at the breakers in the main service panel. There are single-pole, three-way, four-way, and dimmer switches. Thanks! Over here you will get to know about the 21 safety rules for working with electrical equipment.Things to be considered include many options listed in this link. A third service cable, the neutral, connects to the neutral bus bar inside the panel. If applicable do it always, if not be very carefull. What psychological effect does an electric shock. Good article…but yes, the point made by Bobby Saint in his comment is equally important. Learn about power engineering and HV/MV/LV substations. This precaution reduces the likelihood of accidents that result in current passing through the chest cavity. Elektrische Grundausrüstung für einen KBK-Hängekran [...] mit DKUN 5-500 V1 1/1, 3m Hakenweg und Fahrantriebe für Katzfahrt 1:1 [...] und Kranfahrt 1:1 nach Pos. Safety must be our priority. If it is safe to do so, work with only one hand, keeping the other hand at your side or in your pocket, away from all conductive material. Soldering Tool Stand 9. In systems without an external disconnect switch, the main breaker serves as the household disconnect. In simple terms, electricity is supplied to the house on the hot … Just turning off the power isn’t good enough. Strictly speaking, an Active Component is a device that acts as a source of energy, like a battery. So wonderful life is better than all we struggle looking for. The meter runs only when electricity is used in the house. Questions are constantly asked about what equipment is needed to repair or restore antique radios and electronics. These components are basic elements that are used to design electrical and electronic circuits. Basic Electrical Theory REFERENCES. 5 0 Item Code Full CourseTitle (IncludesTex t b o o k ) P r i c e B K E E I n t roduction to Electricity and Electro n i c s Item Code R e q u i redTex t b o o k E E . To really get good at building circuits, I recommend my book A Beginner’s Guide to Circuits, a training manual for building circuits. Basic Electricity PDF Version. In the remainder of the class, a new electronic component is introduced in each lesson. So many times I’ve seen guys get hit when they forgot to discharge the input or output caps of a power supply or amplifier before they started to service it and then discharged those caps through themselves. Switches are the devices that turn on and off lights and fans in your home. The major electrical and electronic components used in electrical and electronic projects mainly involve these components like resistors, capacitors, fuses, transistors, integrated circuits, relays, switches, motors, circuit breakers, etc. Treat all electrical devices as if they are live or energized. Achieve clarity on your volts, ohms and amps for normal and faulted circuits! Turning off the main breaker stops the flow of power to all of the branch circuit breakers in the panel, and therefore to all of the circuits in the house. Electronic components are basic discrete devices in any electronic system to use in electronics otherwise different associated fields. Two things are needed to make a an electricity do something useful: 1) a source of electrical potential to provide the power, 2) a complete circuit round which electricity can flow. It also covers the basics of electronics: what components you need to know, and how to choose components for your circuit. Dear edward syangi, How to arrest humming sound in lv busbar trunking system? I wish Pictures / photos / video if were were associated with respective rules, it would have been very much effective, with an impact to whomsoever it is being shown especially to train the working staff and to save human life. Hi Thanks for sharing the information about the 21 safety rules for working with elelctrical equipments, It very helpful as I’m writing my assignment . Please don’t make fun of this rule if you already know this (and you probably already know if you are reading these lines) and remember that if something bad occurs – you probably won’t have second chance. The most common cause of a tripped breaker is a circuit overload. Portable Electric Drill 3. According to Wikipedia, “Electronics comprises the physics, engineering, technology and applications that deal with the emission, flow and control of electrons in vacuum and matter.” In simpler terms, electronics encompass anything that uses electricity to function. Congratulations and thank you very much. I will learn from you and I will sharing these knowledge. Two large "hot" wires connect to big screw terminals, called lugs, inside the service panel, providing all the power to the panel. It is used in garages, sheds, and outdoor applications where the wiring must be protected from exposure. Fundamentals of Electricity . The most popular option is to use clear plastic storage boxes for storing parts. Be aware that interlocks on equipment disconnect the high voltage source when a cabinet door is open but power for control circuits may remain on. When it is necessary to handle equipment that is plugged in, be sure hands are dry and, when possible, wear nonconductive gloves, protective clothes and shoes with insulated soles. However, power is always flowing into the panel and to the service lugs even when the main breaker is shut off unless the power is shut off at a separate disconnect switch. Fundamentals of Circuit Breakers. nd. A basic electronics device or instrument used to measure voltage or electrical potential difference between two points in electrical circuits is known as voltmeter. In this way, the proper operation of the DUT can be proven or faults in the device can be traced. that are not subject to mechanical damage or excessive heat. Electrical outlets, technically called receptacles, provide power to plug-in devices and appliances. Thanks sir. Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board. 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