vDo not touch the reflective surface of a dental mirror to a live electrical circuit. The surface is conductive and can cause personal injury or equipment damage if it touches a live electrical circuit.
vSome rubber floor mats contain small conductive fibers to decrease electrostatic discharge. Do not use this type of mat to protect yourself from electrical shock.
vDo not work alone under hazardous conditions or near equipment that has hazardous voltages.
vLocate the emergency
vDisconnect all power before you perform a mechanical inspection, work near power supplies, or remove or install main units.
vBefore you work on the equipment, disconnect the power cord. If you cannot disconnect the power cord, have the customer
vNever assume that power has been disconnected from a circuit. Check it to make sure that it has been disconnected.
vIf you have to work on equipment that has exposed electrical circuits, observe the following precautions:
–Make sure that another person who is familiar with the
–When you are working with
–When you use a tester, set the controls correctly and use the approved probe leads and accessories for that tester.
–Stand on a suitable rubber mat to insulate you from grounds such as metal floor strips and equipment frames.
vUse extreme care when you measure high voltages.
vTo ensure proper grounding of components such as power supplies, pumps, blowers, fans, and motor generators, do not service these components outside of their normal operating locations.
vIf an electrical accident occurs, use caution, turn off the power, and send another person to get medical aid.
