Signal-Tech 50743 PHX1016R-M834/120-277VAC "FLIGHT TEST IN PROGRESS DO NOT ENTER" Outdoor Blank-out LED Backlit Sign

Key Facts

• Outdoor blank-out LED backlit warning sign with FLIGHT TEST IN PROGRESS DO NOT ENTER message
• High-intensity reflected illumination with block letter-style message face
• Readable in direct sunlight when illuminated
• Message lights when powered on and blanks out when powered off
• Corrosion-resistant extruded aluminum cabinet for outdoor durability
• Lift'N Shift back included for wall mounting
• Compatible with switch or third-party relay control
• UL/cUL Listed for wet locations

Overview

The Signal-Tech 50743 PHX1016R-M834/120-277VAC is a PHX Series outdoor blank-out LED sign designed for high-visibility safety communication in restricted or controlled environments. The FLIGHT TEST IN PROGRESS DO NOT ENTER message illuminates with high-intensity LED reflected backlighting when activated, ensuring clear visibility in direct sunlight. When powered off, the message blanks out completely to maintain a clean, non-distracting appearance.

Built for demanding outdoor conditions, this industrial safety sign features a solid-state circuit board, switch-mode power supply, and a corrosion-resistant extruded aluminum cabinet. It ships with Signal-Tech’s Lift'N Shift back for wall mounting, with additional ceiling, post, and wall-projection mounting options available to match installation requirements.

This outdoor LED warning sign is well suited for aviation facilities, testing zones, restricted access areas, and industrial environments where clear, authoritative messaging is critical for safety and operational control.

Features

• PHX Series blank-out sign with FLIGHT TEST IN PROGRESS DO NOT ENTER message
• High-intensity LED reflected backlit illumination
• Block letter-style message face for maximum readability
• Message illuminates when powered and blanks out when off
• Guaranteed readable in direct sunlight
• Solid-state circuit board for dependable operation
• Switch-mode power supply supports long LED lifespan
• Corrosion-resistant extruded aluminum cabinet construction
• Ships with Lift'N Shift back for wall mounting
• Compatible with switch or third-party relay control systems
• Standard Duranodic Bronze finish
• Custom paint finishes available

Technical Specifications

• Brand: Signal-Tech
• Series: PHX Series
• Model: 50743 PHX1016R-M834/120-277VAC
• Message: FLIGHT TEST IN PROGRESS DO NOT ENTER
• Sign Type: Outdoor blank-out LED backlit sign
• Illumination Type: High-intensity LED reflected backlit illumination
• Face Style: Block letter-style message face
• Visibility: Readable in direct sunlight
• Electrical: 120-277VAC
• Circuit Design: Solid-state circuit board
• Power Supply: Switch-mode power supply
• Cabinet Material: Extruded aluminum
• Construction: Corrosion-resistant outdoor-rated housing
• Standard Finish: Duranodic Bronze
• Control: Switch or third-party relay
• Mounting Included: Lift'N Shift back for wall mounting
• Available Mounting Options: Ceiling, post, and wall-projection mountings
• Listing: UL/cUL Listed for wet locations

Compatibility

• Compatible with standard building electrical systems within the 120-277VAC range
• Can be controlled via a manual switch or integrated with third-party relay systems
• Designed for wall mounting using the included Lift'N Shift back
• Supports optional ceiling, post, and wall-projection mounting configurations

Use Cases

• Aviation facilities and test areas requiring clear restricted access signage
• Industrial zones where active testing or hazardous operations are underway
• Controlled entry points needing illuminated DO NOT ENTER warnings
• Military, aerospace, or engineering environments with temporary access restrictions
• Facilities using relay-controlled systems for automated safety messaging

What’s Included

• Signal-Tech 50743 PHX1016R-M834/120-277VAC outdoor blank-out LED backlit sign
• Lift'N Shift back for wall mounting

Installation Notes

• Rated for outdoor installation in wet-location environments
• Includes Lift'N Shift back for standard wall mounting
• Alternative mounting configurations are available depending on project requirements
• Control switch is sold separately if manual operation is required
• Confirm voltage compatibility and mounting method prior to installation

Related Standards/Compliance

• UL Listed for wet locations
• cUL Listed for wet locations

Category FAQs

What does blank-out mean for this safety sign?

Blank-out means the message only appears when the sign is powered on. When turned off, the face goes blank, preventing constant visual clutter and ensuring the message is only shown when relevant.

Is this sign suitable for outdoor industrial or aviation environments?

Yes. It is built with a corrosion-resistant aluminum cabinet and is UL/cUL Listed for wet locations, making it suitable for demanding outdoor conditions.

Will the message be visible in direct sunlight?

Yes. PHX Series signs are designed to be readable in direct sunlight, ensuring visibility even in bright outdoor environments.

Can this sign be integrated into an automated safety system?

Yes. It can be controlled using a switch or integrated with a third-party relay for automated activation during specific operations.

Is a control switch included?

No. A control switch is not included and must be purchased separately if needed.

What mounting option is included with this sign?

The sign includes a Lift'N Shift back for wall mounting. Additional mounting styles are available depending on installation requirements.

Can this sign be used in restricted access zones?

Yes. It is specifically designed for environments where controlled access and clear warning communication are required.

What types of facilities typically use this type of warning sign?

This type of sign is commonly used in aviation testing areas, industrial plants, engineering facilities, and other locations where temporary or conditional access restrictions are necessary.

Why use an LED backlit warning sign instead of a static sign?

An illuminated sign ensures better visibility and allows the message to be displayed only when needed, improving both safety and operational clarity.

Is this sign durable enough for long-term outdoor use?

Yes. The extruded aluminum construction and solid-state electronics are designed for long-term reliability in outdoor environments.

Can the cabinet finish be customized?

Yes. While the standard finish is Duranodic Bronze, custom paint finishes are available.

What should be verified before ordering?

Confirm the required message, voltage compatibility, control method, and mounting configuration to ensure proper integration into your facility.