Egress Learning Center
Red vs Green Letters for Edge‑Lit Exit Signs — Visibility & Selection
A practical, non-salesy guide to choosing EXIT legend color on edge-lit signs—how visibility, finishes, and AHJ standards affect whether red or green is the better fit. Last updated: October 2025...
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Economy Edge‑Lit LED Exit Signs — Selection Guide (Red vs Green)
A practical guide to budget‑friendly edge‑lit EXIT signs: what you get (and give up) compared with low‑profile families, how to pick red vs green, plus code and AHJ checkpoints. Last...
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Recessed Edge‑Lit Exit Signs: Ceiling Trim, Wiring & 8″ Letter Scenarios
A practical, non‑salesy guide to planning recessed edge‑lit EXIT signs—choosing the correct ceiling trim, wiring and access, and understanding when 8″ letters are required by your AHJ. Last updated: October...
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Low‑Profile Edge‑Lit Exit Sign — Spec, Mounting & Selection Guide
A practical, non‑salesy guide to slim edge‑lit EXIT signs: how they’re built, where they fit best, and how to mount, wire, and pass inspection. Last updated: October 2025 Skip to...
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Edge‑Lit Exit Signs — Buyers Guide (Code, Mounting & Selection)
A clear, practical guide to edge‑lit EXIT signs—what they are, when to specify them, how to mount and wire them, and how to pass inspection. Written for contractors, architects, and...
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LED Status Codes for Self‑Testing Emergency Lights: Troubleshooting Guide
Confused by blinking greens, steady ambers, or rapid red flashes? Use this quick reference to decode common LED status patterns on self‑diagnostic / automatic‑testing emergency light fixtures and follow a...
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Class I Div 1 vs Div 2 for Emergency Lighting — What Changes?
Class I Div 1 vs Div 2 comes up anytime you’re specifying emergency lights or EXIT signs in gas/vapor areas. This guide breaks down where each division applies, what listings...
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Class, Division & Group — Plain-English Primer for Emergency Lighting
Class/Division/Group (plus T-codes) is the language AHJs use to decide what can be installed in hazardous areas. If you’re choosing emergency lights, EXIT signs, or combos for a classified space,...
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T-Codes (Temperature Ratings) for Explosion-Proof Egress Fixtures — Plain-English Guide
T-codes tell you the maximum surface temperature a fixture can reach so it won’t ignite the surrounding atmosphere. In hazardous areas, your emergency lights and EXIT signs must be both...
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AHJ Inspections in Hazardous Areas — What Inspectors Check for Egress Lighting
AHJ inspections in hazardous areas focus on two things: equipment that won’t ignite the atmosphere and egress systems that still perform during an outage. This guide shows facility managers and...
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Wastewater Treatment Hazardous Egress Lighting — Practical Guide (UL 844 • UL 924)
Wastewater treatment plants demand egress lighting that meets emergency performance and avoids becoming an ignition source. This guide helps facility managers and electrical contractors specify and deploy explosion-proof emergency lights,...
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Class II (Dust) Emergency Lighting for Grain Mills & Silos — Practical Guide
Class II dust environments—like grain mills, silos, elevators, and conveyors—need egress equipment that won’t ignite suspended or layered dust and still delivers UL 924 emergency performance. This plain‑English guide helps facility...
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