Open back junction box and method for pre-fab wiring

  • US 9,040,848 B2
  • Filed: 06/03/2013
  • Issued: 05/26/2015
  • Est. Priority Date: 08/27/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method for prefab wiring comprising the steps of:

  • obtaining an open back junction box assembly comprising;

    an open back junction box having an open front for mounting an electrical device and plaster ring, and an open back comprising a single opening opposite the open front for accepting a detachable rear cover plate;

    the plaster ring attached to the open back junction box;

    an electrical device attached to the plaster ring;

    first ends of electrical leads attached to the electrical device; and

    a detachable rear cover plate attachable to the back of the open back junction box over the open back while leaving second ends of the leads inside the junction box and unattached; and

    installing the junction box assembly at a work site without disassembling the electrical device and the plaster ring from the junction box assembly, the installing including the steps of;

    mounting the junction box assembly to a framing member;

    connecting a site electrical conduit to the open back junction box working through the open back of the open back junction box;

    working through the open back of the open back junction box to connect site wires carried in the electrical conduit to the second ends of the electrical leads connected to the electrical device attached to the junction box; and

    attaching the rear cover plate to the back of the open back junction box.

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