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Unformatted text preview: turning the circuit off before handling the components. After testing a circuit, ALWAYS turn the power source off before checking your connections. Your hands MUST be dry when working with electrical circuits. So should be the table you are working on. All voltages ABOVE 50 Volts DC or 30 Volts AC (RMS) have a potential hazard. The danger increases if your hands are not completely dry or you have a cut. ALWAYS consider a circuit energized unless proven otherwise. NEVER leave your circuit unattended when working. If you have to leave for a while, turn if off. References:  Robbins & Miller. Circuit Analysis Theory and Practice.  MIT Electrical Safety Manual....
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- Fall '09