Multimeters are essential tools for theater technicians working with electrical systems, but using them correctly requires knowledge and safety precautions. This guide covers the fundamentals of multimeter operation, including voltage and continuity testing, selecting the right features, and best practices for safe use. From lockout/tagout procedures to understanding True RMS and amp clamps, mastering these skills ensures accurate troubleshooting and a safer work environment in theatrical settings.
Safely manage point loads from lights and scenery in theatre rigging with ANSI E1.4-1's 100 lb mid-span rule and bending/shear formulas. This expanded guide delivers calculations, examples, inspections, and ETCP best practices for failure-proof hangs.
A complete guide to entertainment electrical power connectors: stage pin (2P&G), NEMA Edison, twist-lock, Camlok, and IEC 60309. Understand ratings, wiring, color codes, and when to use each type.
Learn the three terminal types used in entertainment electrical equipment: screw terminals (torque specs and ferrules), spring-loaded cage clamp terminals, and crimp connections (ring, spade, and butt connectors). Covers tooling, inspection, and selection criteria.
Everything entertainment electricians need to know about portable extension cords: cord type designations (SOOW, SJTW), gauge selection, voltage drop, NEC prohibited uses, GFCI requirements, and inspection criteria.
A complete guide to portable power feeder cables in entertainment: Type W cable, conductor sizing and ampacity, Camlok/PowerLok single-pole connectors, color coding by phase, and the ground-first connection sequence.
Complete guide to 19-pin Socapex multi-cable systems: connector pinout for all six circuits, breakout box types, wiring verification, reverse polarity testing, and common failure modes.
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.
