Company: SCE-PL
Filing Date: 2025-01-07
Form Type: 424B5
Source: 0001193125-25-002794
Chunk: 33

Company: SOUTHERN CALIFORNIA EDISON Co
Filing Date: 2025-01-07
Form: 424B5
Chunk 33
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 are not meant to be a complete description of each security. This prospectus and any accompanying prospectus supplement will contain the material terms and conditions for each security. The prospectus supplement may add, update or change the terms and conditions of the securities as described in this prospectus. For more information about the securities, please refer to:

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| • |     | the form of indenture between Southern California Edison and Bank of New York Mellon Trust Company, N.A., as                         
 trustee, for the issuance of subordinated debt securities, which we refer to as the “subordinated indenture” in this prospectus; and |

| • |     | Southern California Edison’s amended and restated articles of incorporation, which are referred to in this 
 prospectus as the “articles of incorporation.”                                                             |

We have filed or incorporated by reference forms or copies of these documents as exhibits to the registration statement. In this prospectus we sometimes refer to the senior indenture and subordinated indenture together as the “unsecured indentures” and each separately as an “unsecured indenture.” We refer to each trustee for each indenture as the “indenture trustee.” The first mortgage bond indenture and the unsecured indentures are governed by the Trust Indenture Act of 1939 and may be supplemented or amended from time to time. The senior indenture and the subordinated indenture are substantially similar but differ in some important respects. The material differences between the senior indenture and the subordinated indenture are set forth in the description below under “Description of the Debt Securities.” DESCRIPTION OF THE FIRST MORTGAGE BONDS The following description discusses the general terms and provisions of the first and refunding mortgage bonds that we may offer by this prospectus in one or more distinct offerings. In this prospectus, we refer to the first and refunding mortgage bonds as “first mortgage bonds” or “bonds.” The first mortgage bonds will be an additional series of our secured debt securities created by resolution of our board of directors or the executive committee of the board, or by an action of one or more of our authorized officers, and will be issued under the first mortgage bond indenture, as amended and supplemented by supplemental indentures. The first mortgage bond indenture gives us broad authority to set the particular terms of each series of first mortgage bonds, including the right to modify certain of the terms contained in the first mortgage bond indenture. The particular terms of a series of bonds and the extent, if any, to which the