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Thermoplastic Exit Sign with red letters

Thermoplastic Exit Signs

Thermoplastic exit signs are a budget-friendly way to meet UL 924 egress requirements in schools, offices, and general commercial spaces. Built with flame-retardant, injection-molded housings and long-life LEDs, they provide a tested 90-minute emergency runtime. Browse all Exit Signs, or spec battery-backup exit signs and self-testing exit signs to streamline inspections.

UL 924 LED Legend 90-Min Battery 120/277V Damp/Wet Options Self-Testing Field Arrows

Most models include dual-voltage input (120/277 VAC), universal J-box mounting for wall or ceiling installs, and field-selectable directional arrows for clear egress marking. For humid or wash-down areas, choose damp- or wet-location rated variants; for easier compliance, select self-testing electronics that run monthly/annual diagnostics automatically.

💡 What is a thermoplastic exit sign? A lightweight, flame-retardant LED sign with battery backup that maintains visibility for at least 90 minutes during an outage—ideal for indoor commercial corridors, classrooms, and offices.

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✅ What to Look For in Thermoplastic Exit Signs

  • UL 924 / NFPA 101 Listing: Ensures emergency backup of at least 90 minutes for exit legends.
  • Injection-Molded Thermoplastic Housing: Flame-retardant, durable, and often warranty-backed for 5 years.
  • LED or Photoluminescent Legends: LED models offer powered lighting; photoluminescent versions glow without power.
  • Wet/Damp Location Rating: Look for moisture-resistant models (NEMA 4X / IP65) for exterior or moisture-prone areas.
  • Field-Selectable Chevrons: Red or green exit arrows adaptable onsite.
  • Dual Voltage (120/277 VAC): Standard across commercial power supplies.
  • Self-Test or Push-to-Test: Automates compliance inspections with minimal manual effort.
  • Edge-Lit UV-Stable Lens: Even illumination and modern aesthetics, with durable polycarbonate options.
  • 5-Year Warranty: Covers housing and electronics; batteries typically prorated over time.

FAQs About Thermoplastic Exit Signs

What are thermoplastic exit signs?

Flame-retardant plastic signs listed to UL 924, providing 90-minute LED-lit or photoluminescent exit indicators for safe egress visibility.

Are they code compliant?

Yes—they comply with UL 924, NFPA 101, and NEC standards, and many models offer dual-voltage input and self-testing diagnostics.

Can they be used outside?

Many models carry wet/damp location ratings such as NEMA 4X or IP65, making them suitable for covered exterior or high-humidity areas.

How long is the battery backup?

All units offer a 90-minute battery backup, typically using Ni-Cd or Ni-MH cells with solid-state charging systems.

Do they self-test?

Yes—many include automated self-test routines or push-to-test buttons to simplify monthly and annual compliance checks.

What warranty is offered?

Most models carry a 5-year warranty on electronics and housing. Batteries are typically prorated over that period.

Are remote heads supported?

Some units offer VA capacity for remote-head compatibility—ideal for extending egress lighting from a central fixture.