Filmclusive Encyclopedia
Safety
Film production roles, equipment, workflows, and terms.
Scissor-lift safety
Safe operation and positioning controls for a mobile elevating platform that raises vertically on crossed supports.
Screw-pin shackle
A shackle closed by a threaded removable pin for appropriate temporary connections.
Secondary safety
An independent retention method intended to limit a suspended item’s fall if its primary attachment fails.
Self-retracting lifeline
A fall-arrest device that pays out and retracts line during movement and locks rapidly during a fall.
Service disconnect
A disconnecting means that isolates service-supplied conductors from downstream premises wiring.
Set medic
A medically qualified worker engaged to provide the production’s defined on-site medical coverage.
Severe-allergy response plan
A plan for recognizing and responding to anaphylaxis or another serious allergic reaction.
Severe-weather monitoring
Continuous review of credible weather information and site conditions to support timely safety decisions.
Shelter in place
An emergency instruction to remain inside a selected protected location rather than evacuate.
Shock approach boundary
A restricted distance around exposed energized parts based on electric-shock hazard.
Short circuit
An unintended low-impedance electrical connection between conductors at different potentials.
Short-term exposure limit
A maximum average exposure permitted over a brief specified interval.
Single-phase power
An alternating-current supply using one voltage waveform and its intended conductors.
Site emergency action plan
A location-specific written plan assigning alarms, reporting, evacuation, shelter, accountability, and response responsibilities.
Site safety orientation
An introduction to location-specific hazards, controls, emergency arrangements, and reporting expectations.
Sling angle
The angle of a sling leg that determines tension developed from a supported load.
Spanset
A trademark often used generically on sets for a synthetic round sling.
Special-effects permit
Authorization required by an authority having jurisdiction for specified hazardous production effects or materials.
Spill response
A planned method for isolating, identifying, containing, cleaning, and reporting a material release.
Spotter
A designated person who watches movement, clearance, traffic, or hazards while another person operates equipment.
Steel sling
Set shorthand for a rated wire-rope sling used in suspension or restraint.
Stop-work authority
The explicit right and responsibility to pause work when a person perceives an uncontrolled hazard or material change.
Stunt airbag safety
Planning, setup, inspection, spotting, and operation of a purpose-built inflatable landing system for falls or jumps.
Sun-exposure control
Measures reducing ultraviolet radiation and radiant-heat risk during outdoor production work.
Suspended scaffold
A platform supported from above by ropes or other non-rigid means.
Swing fall
Pendulum-like movement after a fall when the anchorage is horizontally offset from the worker.
Tag line
A rope used from a safe position to control rotation or orientation of a load.
Temporary event structure
A nonpermanent structure used for performance, audience, weather protection, or technical equipment at an event.
Three-phase power
An alternating-current system using three phase-shifted waveforms for efficient power distribution.
Tick prevention
Controls reducing tick contact and prompt disease risk during outdoor work.
Time-weighted average
An average exposure calculated across a specified work period, commonly eight hours.
Toe board
A low protective barrier at a platform edge intended to reduce objects falling to levels below.
Toolbox talk
A short, focused safety discussion held close to the task, crew, and time of work.
Top rail
The upper horizontal member of a guardrail system intended to help prevent passage over an edge.
Traffic control
A planned system for separating people, vehicles, equipment, and public movement around a production.
Truss corner loading
Forces introduced near truss junctions, corners, or nonstandard load locations.
Truss pick
A configured attachment that transfers a hoist or support load into entertainment truss.
Turnbuckle
An adjustable threaded fitting used to tension compatible rigging or bracing assemblies.
Ultimate strength
The maximum load or stress a component can withstand before failure under test conditions.
Unprotected side or edge
A side or edge of a walking-working surface lacking the required wall, guardrail, or equivalent protection.
Upper explosive limit
The concentration above which a fuel-air mixture is too rich to propagate flame under stated conditions.
User seal check
A wearer-performed positive or negative pressure check each time a tight-fitting respirator is donned.
Venomous-reptile safety
Specialized containment, handling, exclusion, and medical controls for venomous snakes or other reptiles.
Vertical hitch
A straight sling connection carrying load between one upper and one lower attachment.
Vertical lifeline
A flexible line anchored overhead that supports a compatible traveling fall-arrest connection.
Voltage
Electrical potential difference that can drive current through a circuit or person.
Voltage drop
The reduction in voltage along a conductor caused by resistance and load, which can affect operation and heat.
Water safety
The production plan for preventing drowning, exposure, entrapment, contamination, and rescue delays around water.
Weapons check
A documented inspection confirming a production weapon and its loading condition before and after use.
Weather all-clear
The authorized decision that suspended outdoor activity may resume after a weather hazard.
Wet-bulb globe temperature
A heat-stress index incorporating temperature, humidity, radiant heat, and air movement.
Wet-location power
Electrical distribution exposed to rain, water, condensation, or similarly conductive conditions.
Wildfire-smoke exposure
Worker exposure to airborne particles and gases from wildland or structural fires.
Wind action plan
A staged operational plan that defines monitoring and actions at specified wind conditions for outdoor production systems.
Wind gust
A brief increase in wind speed capable of creating higher-than-average structural and handling loads.
Wind hold
A stop-work condition used when wind or weather exceeds the safe operating limits of equipment or structures.
Wire-rope sling
A rated flexible steel-wire assembly used to connect or support rigging loads.
Working at height
Work performed where a person could fall to a lower level and suffer injury.
Working load limit
The maximum load a component is authorized to support in a specified application and configuration.
Worksite housekeeping
The ongoing control of clutter, waste, spills, cables, access routes, and stored materials at a production workplace.
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