Risk associated with power connectors

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Risk associated with power connectors

When it comes to consumer electronics, there are very few other products that are commonly used like power connectors. A variety of plugs and sockets are important necessities to provide a current path for connecting various products to the applicable mains.

A power connector refers to a component that is plugged into a wall outlet (or socket). Their types, shapes and specifications are amazing, and their voltage capacities vary depending on the power supply function or demand. Their designs can vary greatly depending on national standards, which can be confirmed by anyone traveling abroad who wants to charge their smartphones.

However, despite so many categories, their chances of high-risk accidents are the same. And because power connectors are so common, it's important to understand their hazards and fault conditions today.

Type of power connector

Power connectors can be divided into two types: AC (AC) or DC (DC). When considering the risk of a power connector, it is important to understand the similarities and differences between the two types of connectors.

AC-type power connectors are more common, and you can see a wide variety of such connectors every day at home or in the office. AC power plugs and sockets connect electronics to the building's alternating current (AC) line, as well as its host transformer that regulates the voltage and can carry multiple currents across. That is to say, the AC connector can work on a wider range of levels.

As the name implies, the direction of the current in the AC unit is alternately or reversed. The current is counted as one cycle for each commutation, and the total amount of the cycle constitutes the rated frequency of the electrical unit. Most currents can complete many cycles quickly and smoothly in less than a second. For example, the standard AC frequency in North America is calculated to be around 60 Hz/sec, which means that the current ran nearly 60 laps in one second.

DC type connectors, as the name suggests, DC is not the same as its cousin exchange system, there is no loop cycle. Conversely, the DC connector operates in one direction and its current is unidirectional through the circuit. You will find that this type of current system is mostly found in batteries and generators, and its current is usually generated by internal fuel cells.

Common risk factors

Although modern product appearance and design have greatly reduced the chances of direct contact with live currents, electric shocks or circuit problems, there are still many accidents associated with power connectors.

Extension cord. It turns out that good things are sometimes not necessarily good things. Those that are plugged out by a plug, which make it easier for you to charge more electronic devices, bring you more convenience and more safety hazards. The AC current overload in the extension line is well known. It can cause problems such as system overheating, voltage shock, external spark sputtering, and even fire. Always check the extension cord to see if there is any crack in the plastic insulation layer, and be wary of not inserting anything on the same tow panel and turning on the power at the same time.

water. Since water is a very conductive conductor, the power connector must be as far away as possible from water. In most cases, such as in the bathroom, even a wet hand gently touching an electrical device can cause an electric shock. If the layout is better, the power outlet should be installed as far as possible from the sink and shower tray. Everyone should be careful when using electrical equipment near the water source.

Does not match the risk. Some older electrical units may not be upgraded, and there is no such safe design as the more modern ones, which means you may plug some mismatched plugs into the wrong socket. This creates a risk of frequency or voltage incompatibility and can result in fire or socket explosions. Although some sockets allow for some physical differences in the plugs inserted, it is best to consult a professional about system security standards every time. If this is not the case, use a voltage conversion adapter to reduce the voltage, thereby reducing the risk of long-term damage.

Uninsulated wires. Improper handling of wire insulation during construction or alteration can be a common problem. This is also one of the most dangerous issues, so many existing laws and regulations have been established to reduce the exposure of the circuit system. In addition, the circuits in some old buildings may have been insulated before, but they have been worn out due to age, so they must be inspected frequently, and double insulated for some ungrounded equipment or buildings with large electricity consumption. Not uncommon.

polarization. Polarization refers to the phenomenon in which the lines of the power connector are energized and interact with their conductors. Because there are many wiring system conductors, and the different socket types and plug insertion methods are different, ask a trained electrician or other experienced professionals to determine whether the polarization phenomenon is still in balance or has been unbalanced. The best choice. For most electronic devices, the side of the uncharged component is usually the side that should interact with the live component, and in most designs, the side of the polarization (that is, those charged) is unpolarized. The socket is for current exchange.