3 GANG SCREW MT DEV BX

ARL-F103 (Product Description)

The ARL-F103 is a non-metallic siding mounting block used to provide a flat, weather-resistant mounting surface for exterior light fixtures, receptacles, switches, and other electrical devices on lap siding.

Product Description

This Arlington mounting block installs over exterior siding to create a level, code-compliant mounting surface for outdoor electrical equipment. It helps compensate for the uneven profile of lap siding so fixtures and boxes can mount flush and seal properly against weather.

It is commonly used when installing:

• Exterior wall lights
• Outdoor receptacles
• Switches
• Cameras / low-voltage devices
• Other wall-mounted electrical accessories

Key Specifications

• Model: ARL-F103
• Type: Siding mounting block
• Material: UV-rated non-metallic plastic
• Color: Typically white/paintable (varies by version)
• Application: Lap siding / exterior wall mounting
• Use: Fixture and device mounting surface

Key Features

• Creates flat mounting surface on uneven siding
• Helps improve weather seal around fixture/box
• UV-resistant, outdoor-rated plastic
• Paintable to match exterior finish
• Lightweight and corrosion-resistant
• Simplifies exterior electrical device installation

Typical Applications

• Exterior light fixture mounting
• Outdoor receptacle box mounting
• Doorbell/camera installation
• Wall-mounted low-voltage devices
• Retrofit siding electrical upgrades