Changing a burnt light bulb
Step one: study the bulb that is fixed in the socket so as to know it’s both its size and shape.
Possible hazard: if you don’t look at the wattage of the bulb and fix an inappropriate one, it may lead to low bulb-life or burning of wires.
Solution: reading at the sticker since all bulbs have a sticker describing their wattage.
Step two: ascertain that the switch has been turned off before unscrewing the bulb from its socket.
Possible hazard: if the switch is not turned off, one may get a shock.
Solution: make sure that it is turned off.
Step three: after you have turned off the switch, give the bulb at least half a minute to cool down.
Possible hazard: a hot bulb may burn the fingers of the person changing.
Solution: after switching off the bulb, allow it cool.
Step four: unscrew the burnt bulb by turning it anticlockwise from the socket and dispose it correctly.
Possible hazard: if the bulb is resistant, caution must be taken since it may break and injure one’s fingers.
Solution: using a glove may prevent one from injuries associated with it.
Step five: fix a new bulb on the socket and turn it clockwise for it to hold.
Possible hazard: over-tightening the bulb may break it and injure one’s fingers.
Solution: one should use a glove to avoid injuries.
Step six: put the switch on to ascertain that the new bulb is working.
Possible hazard: if the bulb is not working, one may be get a shock if tries to tamper with the wires.
Solution: one should contact a qualified electrician.