Friday, May 3, 2013

ELECTRIC EQUIPMENT 2


Care of Electrical Equipments
•     Many modern instruments and pieces of equipment operate from mains voltage 110 or 240 V/AC. All electrical instruments have been tested for safety after manufacture and if not damaged in transport can be assumed to be electrically safe on delivery.
•     With use, cables are damaged, earth connections can get loose or break, internal components can move with vibration/ accidental damage. An incorrect alteration during repairs to the circuit or safety fuses can result in dangerous voltages and currents reaching the patient.
•     Simple checks of plugs, fuses and cables should be made regularly by the OT staff in charge of the electrical equipments and routine maintenance checks performed by a qualified person at fixed intervals as recommended by the manufacturer
•     Earth connections and safety fuses should be regularly checked, making sure that the correct loading fuses are being used
•     Damaged cables should be replaced and any loose components such as switches and sockets repaired
•     All equipments working from mains voltage should have a circuit breaker in the supply lines
•     All mains electrically powered instruments should be kept dry
•     Cardiac defibrillators deliver a high voltage of several thousand volts, together with a relatively high current, making a lethal combination to operator if any serious electrical fault should occur, it is thus even more important that servicing and maintenance of these instruments be entrusted to a qualified electrical engineer

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