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Subchapter 5. Electrical Safety Orders
Group 1. Low-Voltage Electrical Safety Orders
Article 13. Temporary Wiring

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§2405.2. General.

(a) Feeders. The following requirements apply to feeders:

(1) Feeders shall originate in an approved distribution center.

(2) Conductors shall be run as multi-conductor cord or cable assemblies. However, if installed as permitted in Section 2405.1(a)(3), and if accessible only to qualified persons, feeders may be run as single insulated conductors.

(b) Branch Circuits. The following requirements apply to branch circuits:

(1) Branch circuits shall originate in an approved power outlet or panelboard.

(2) Conductors shall be multiconductor cord or cable assemblies or open conductors. If run as open conductors, they shall be fastened at ceiling height every 10 feet (3.05 m).

(3) No branch-circuit conductor may be laid on the floor.

(4) Each branch circuit that supplies receptacles or fixed equipment shall contain a separate equipment grounding conductor if run as open conductors.

(c) Receptacles. Receptacles shall be of the grounding type. Unless installed in a continuous grounded metallic raceway or metallic covered cable, each branch circuit shall contain a separate equipment grounding conductor and all receptacles shall be electrically connected to the grounding conductor.

(d) No bare conductors nor earth returns shall be used for the wiring of any temporary circuit.

(e) Disconnecting means. Suitable disconnecting switches or plug connectors shall be installed to permit the disconnection of all ungrounded conductors of each temporary circuit. Multiwire branch circuits shall be provided with a means to disconnect simultaneously all ungrounded conductors at the power outlet or panelboard where the branch circuit originated.

NOTE for Section 2405.2(e): Circuit breakers with their handles connected by approved handle ties are considered a single disconnecting means for the purpose of this requirement.

(f) Lamps.

All lamps for general illumination shall be protected from accidental contact or breakage by a suitable fixture or lampholder with a guard. Brass shell, paper-lined sockets, or other metal-cased sockets may not be used unless the shell is grounded.

(g) Physical Protection. Flexible cords and cables shall be protected from accidental damage. Sharp corners and projections shall be avoided. When passing through doorways or other pinch points, protection shall be provided to avoid damage.

(h) Multi-conductor cords and cables shall be hard service type or equivalent, with multi-conductor fittings.

(i) Cable assemblies and flexible cords and cables shall be supported in place at intervals that ensure that they will be protected from physical damage. Support shall be in the form of staples, cables ties, straps, or similar type fittings installed so as not to cause damage.

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

HISTORY

1. Repealer and new subsection (b) filed 9-5-79; effective thirtieth day thereafter (Register 79, No. 36).

2. Amendment of subsection (c) filed 2-1-83; effective thirtieth day thereafter (Register 83, No. 6).

3. Amendment of subsections (a) and (c) filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).

4. Amendmentof section heading and section filed 5-5-2008; operative 5-5-2008. Submitted to OAL for printing only pursuant to Labor Code142.3(a)(3) (Register 2008, No. 19).

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