With the storms of the rainy season comes lightning, which can cause transient voltage changes that can be very damaging to electrical appliances. Therefore, precautionary measures should be taken in offices and homes to minimize electrical damage.
• During lightning storms, turn off and unplug appliances. If they remain plugged in and there is a voltage change of considerable magnitude, they may be damaged.
• Avoid using roof antennas (without proper grounding) connected to the TV, because a direct discharge can damage the unit.
• Install voltage regulators, surge protectors or UPS (uninterruptible Power Supplies) devices for major appliances, such as computers, televisions and generally sensitive electronic equipment. This will keep them protected from the typical voltage peaks and reduces the chance of losing data during power outages.
• During a lightning storm, avoid talking on a landline because electricity is conducted by the telephone cord and can cause a shock to the user.
Source: Regulatory Authority for Public Services (ARESEP)
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