Extron electronic SCP 150L user manual Installation and Operation, cont’d, UL Requirements

Installation and Operation, cont’d

To mount the SCP 150 in areas of walls or furniture without studs, use an optional Extron 2-gang mounting bracket, part #70-086-01, -11, or -21. For the SCP 150 AAP, use an Extron 4-gang mounting bracket, part #70-086-03, -13, or -23.

To mount the SCP 150 externally on a wall or desktop, use an optional Extron 2-gang SMB surface mount box, part #60-640-02. For the SCP 150 AAP, use an Extron 4-gang SMB, part #60-642-02.

UL Requirements

The Underwriters Laboratories (UL) requirements listed below pertain to the installation of the SCP into a wall or furniture.

Installing the Electrical Box

If you are using a mounting bracket or SMB instead of an electrical box, follow the mounting instructions that came with the bracket or SMB.

To install the electrical box:

1.Insert the electrical box into the opening, and attach the wall box to the wall stud (2" x 4") or furniture with nails or screws, leaving the front edge flush with the surface, as shown in the following illustration.

1.This unit is not to be connected to a centralized DC power source or used beyond its rated voltage range.

2.This unit must be installed in a UL listed electrical wall box.

The UL approved electrical box is not included with the SCP; the installer is responsible for obtaining and installing the box.

3.This unit must be installed in accordance with the National Electrical Code.

Preparing the Site

To mount the panel using either an electrical box or a mounting bracket, use one of the rough-in templates provided on pages A-7 through A-9 as a guide to measure and mark the hole in the

Wall Stud

Wall Box

Screws or Nails

Flush with Wall Surface

wall or furniture through which the SCP will be mounted. The templates provide measurements for installing the panel with either an electrical box or a mounting bracket. You do not need the template if you are mounting the panel using an SMB.

The templates are not to scale and are provided for reference only.

To prepare the site:

1.Choose a mounting location. If using an electrical box to wall-mount the panel, locate a stud to which the box will be attached.

2.Use the appropriate template and panel dimensions in Appendix A to as a guide to measure and mark the area to cut out of the wall or furniture.

3.Cut out the opening in the wall or furniture.

To attach the wall box to wood, use four #8 to #10 wood or sheet metal screws. A minimum of 1/2 inch (1.25 cm) of screw threads must penetrate the wood. If the wood is a 2 x 4, such as a wall stud, 10-penny or larger nails can be used.

To attach the electrical wall box to metal, use four #8 or #10 sheet metal screws (self-tapping) or #8 or #10 machine bolts with matching nuts.

2.Feed the cables into the wall box. Cable clamps should be used to hold the cables in place for strain relief.

3.Exposed cable shields (braids or foil) are potential sources of short circuits. Trim back and/or insulate shields with heat shrink.

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