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Subchapter 5. Electrical Safety Orders
Group 2. High-Voltage Electrical Safety Orders
Article 7. General Requirements--Wiring Methods
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§2749.1. Aboveground Wiring Methods.

(a) Aboveground conductors shall be installed in rigid metal conduit, in intermediate metal conduit, in electrical metallic tubing, in rigid nonmetallic conduit, in cable trays, as busways, as cablebus, in other identified raceways, or as open runs of metal-clad cable suitable for the use and purpose. In locations accessible to qualified persons only, open runs of Type MV cables, bare conductors, and bare busbars are also permitted. Busbars shall be either copper or aluminum. Open runs of insulated wires and cables having a bare lead sheath or a braided outer covering shall be supported in a manner designed to prevent physical damage to the braid or sheath.

(b) Conductors emerging from the ground shall be enclosed in approved raceways.

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

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

1. New section filed 4-1-2009; operative 4-1-2009. Submitted to OAL for
printing only pursuant to Labor Code section 142.3 (Register 2009, No.

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