Hold plastic cover of plug by using a thumb and middle finger tightly, and then plug it into the socket. Don't touch conductive “socket pins” which is the exposed live parts to cause electric shock.
This is very dangerous, because water is an excellent conductor of electricity. It could increase the risk of electric shock when wet hands operates switch or plugs;
This might be a wrong connection on the lighting to mix up connections between the Live cable and the Neutral cable. It leads to flicker on the lighting. It should be rectified and re-connected the wires through the registered electrical contractors / workers;
Take it easy. When the contactor of the high consumption appliance is being operated, resulting in a slight noise and heat can be as a normal phenomenon. However, once the sound and heat is great, it should be inspected by registered electrical contractors / workers;
Electricity supply for residential, up to 60A rated load, should not be problem in general. However, be aware that many relatively older homes or houses, 50 to 60 years or above, may only have power supply less than 30A rating. If premise has electric water heaters and air conditioners, it should pay attentions to avoid to turn on more than one high power consumption appliances at the same time;
You need to turn off all major appliances during the blackout occurs. Starting current of some electric appliances, in general, can reach to several times from normal operations. This may cause blackout again with overload right after the power supply is resumed.
If electrical appliances have voltage selector, you should select 220V a.c. (Hong Kong household voltage) to prevent electrical damage and to pose a fire hazard;
Power consumed electrical appliances, such as air-conditioners, electric heaters, electric induction cookers, washing / electric drying machines, should be installed with individual socket outlet;
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