Although electronics deal with low voltage devices, it still has the potential to put yourself into harm. Devices or circuits that use 120 VAC power from an electrical outlet can put you into an imminent danger and potentially kill you.
- It is best to take the precautionary measures and safety guidelines to keep yourself safe at work.
- Do not work on a circuit while the power is still on.
- Do not connect the power to a circuit until the circuit is done, carefully check and examine your work.
- When there is a burning smell, immediately disconnect the power and examine the circuit to determine what went wrong.
- Always keep the work area dry.
- Always wear safety goggles.
- Always work in a well-ventilated place.
- Be cautious about working around large capacitors, it still continues to hold voltage long after it is disconnected from power.
- When working with electronics, have a safety equipment on your sides, such as a fire extinguisher, a first-aid kit, and a phone.
However, aside from these obvious precautions, there are instances that are less obvious. Here are important precautions that can make you safe during your complex electronic project.
Discharge any capacitors
Be cautious with capacitors, to avoid being caught by shock or burn you have to:
- Unplug the electronic device to terminate any alternating current flowing through the capacitor.
- Disconnect removable capacitor.
- Touch the capacitor leads with the wires of an electric bulb with a volt meter or a 5 to 10-watt resistor.
Do not retain it, replace it
It is too risky to save a damaged electronic device, for example, you had a damaged cable, do not save it with insulating tapes. Replace it with a new length of the cable.
Do not use the wrong tools
Examine and ensure that you are utilizing the proper tools and equipment.
Avoid live heat-sinks
When you are working with the main electricity, avoid heat sinks. A triac on a semiconductor produces heat to switch the main electrical currents through the transistors. To make the heat disappear and prevent overheating, a heat sink is integrated.
Meanwhile, non-insulated triac produces a better thermal characteristic, and an insulated triac ensures a heat-sink is not live.
Soldering wires have its own potential dangers, be sure to have a protective equipment. Wear safety goggles. The solder can get hot and can splatter when the air pockets are heated.
Do not overload the circuit
Make sure that the cabling in the circuit does not exceed the maximum current rate.
It is better to be safe than sorry, test and test the circuit again. Make sure that the voltage meter is giving an accurate reading, examine the body, probes, and wires for any signs of wear and damage.
Protection from an electronic static discharge
For preventive measures, get connected to the ground by wearing an anti-static armband connected by a wire to a metal cold water pipe.