Adapter Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Adapter and links to relevant pages within the course.
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| An adapter can be used to increase the number of available outlets in a laboratory area. | View Page |
| Extension Cords Electrical extension cords should not be used except in emergency situations. If an extension cord must be used in the laboratory, these guidelines should be followed: The extension cord must consist of 16 gauge or larger wire and must contain a ground wire. It should not be fastened with staples or hung in any way that could damage the outer covering or insulation. The wiring should be tested for physical integrity, polarity, and continuity of grounding at the time that it is used. An electrical extension cord cannot be used as a substitute for appropriate distribution of electrical power. | View Page |
| Ground A ground is a conducting connection between an electrical circuit or equipment and the earth, or between an electrical circuit and some conducting body that serves in place of the earth.The purpose of a ground is to prevent the buildup of voltages that may result in a hazardous situation for the connected equipment and/or for the person operating the equipment.All electrical equipment in the laboratory that is not clearly marked as "double-insulated" must be grounded by using a three-pronged power cord. | View Page |
| Blood Collection Systems and Devices The phlebotomist has a choice of several blood collection systems. Three that are commonly used are discussed on the following pages. Evacuated Tube SystemThe primary choice for a routine venipuncture that will be performed on an adult or an older child is a blood collection system that consists of a holder (or adapter), a needle that is pointed on both ends, and evacuated blood collection tubes. One end of the needle will pierce the vein and the other end will pierce the stopper of the evacuated tube so that blood will flow into the tube to fill the vacuum. A safety device is required on either the holder or the needle to comply with current standards for needle safety. Two examples of needle holders equipped with safety devices are shown on this page. | View Page |