BASIC ELECTRONICS - OD1633 - LESSON 1/TASK 1
or operates irregularly; and electrical equipment which produces excessive
vibrations are all indications of malfunctions. When any of the above signs
are noted, they are to be reported immediately to a qualified technician.
DO NOT DELAY. Do not operate faulty equipment. Above all, do not attempt
to make any repairs yourself if you are not qualified to do so. Stand clear
of any suspected hazard and instruct others to do likewise until the
malfunctioning piece of equipment has been tested and/or the problem
Warding signs have been placed for your protection. To disregard them is to
invite personal injury as well as possible damage to equipment.
and receptacles with a temporary warning tag, that indicate work is being
performed, are not to be touched.
When work must be performed in the immediate vicinity of electrical
equipment, check with the technician responsible for the maintenance of the
Because of the danger of fire, damage to equipment, and injury to personnel,
all repair and maintenance work on electrical equipment must be done only by
authorized persons. Keep your hands off all