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Subchapter 5. Electrical Safety Orders
Group 2. High-Voltage Electrical Safety Orders
Article 29. Capacitors (Formerly Article 78)

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§2893. Means for Discharge.

(a) A means shall be provided to reduce the residual voltage of a capacitor to 50 volts or less within 5 minutes after the capacitor is disconnected from the source of supply.

(b) A discharge circuit shall be provided with automatic means of connecting it to the terminals of the capacitor bank after disconnection of the capacitor from the source of supply. The windings of motors, or transformers, or of other equipment directly connected to capacitors without a switch or overcurrent device interposed must meet the requirements of subsection (a) above.

(c) Capacitors shall not be worked on until after they have been short circuited and grounded. The internal discharge device provided in capacitors shall not be used as a substitute for externally short circuiting and grounding capacitors.

<General Materials (GM) - References, Annotations, or Tables>

    Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.  

1. Editorial correction filed 11-2-83 (Register 83, No. 45).

2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).

3. Amendment of section and Note filed 4-1-2009; operative 4-1-2009. Submitted

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