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ELECTRICAL SAFETY DESIGN |
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Wiring Methods and Components - Capacitors |
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Capacitors are used in most electrical systems to store electrical charge;
therefore, they can be a source of severe shock unless that charge is drained when the
capacitors are disconnected from the power source. Unless some type of automatic discharge is designed into a system, devices such as resistors must be permanently attached across the terminals of the capacitors to drain the charge when the circuit is open (de-energized). Most capacitors are manufactured with this type of discharge resistor. Surge capacitors, which act like lightning rods, do not require an automatic means for draining the charge. |
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