Comprehensive guide to entertainment power distribution equipment: SCR and IGBT dimmer racks, relay racks, PDUs, and motor control centers. Covers installation requirements, ventilation, grounding, and circuit labeling.
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Theatrical lighting involves high voltage, extreme heat, overhead loads, and in some productions, Class 3B and 4 lasers. Learn the NEC Article 520 requirements, safety cable rules, and laser safety standards.
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Lighting instruments are a source of fire, electrical, and fall hazards in theater. This article covers ERS, Fresnel, LED, and moving light safety; C-clamp and safety cable requirements; circuit loading; gel fire risks; and the maintenance program every program needs.
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Follow spots present electrical, UV radiation, lamp explosion, and carbon monoxide hazards that are frequently underestimated in educational theater. This article covers all follow spot light source types, HMI and xenon lamp pressure risks, UV protection, carbon arc ventilation, and operator training requirements.
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High school theaters often inherit rigging systems without clear documentation or trained operators. This article identifies the hazards found most frequently in those environments and provides guidance on what to do when you find them.
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