What a Gaffer Actually Does: The Lighting and Electrical Department
The gaffer is the head of the lighting and electrical department, and the shorthand for the role — “the lighting person” — undersells the half of it that involves electricity, load and rigging. On any shoot larger than a single camera and a single light, the gaffer is the person who turns an intention into a working setup and keeps the power behind it safe.
The relationship at the centre of the job is with the director of photography. The director of photography states what the scene should look like: the direction of the key, the depth of the shadow, whether the room reads as morning or evening, whether the source is meant to be the window or the practical lamp on the desk. The gaffer determines what makes that possible in this room, at this time, with these fixtures and this supply.
The Decisions the Role Actually Makes
Which fixtures. Modern lighting packages contain an unhelpfully large range of instruments, and the gaffer’s knowledge of what each one does — how hard the shadow is, how the colour renders on skin, how it dims, how it behaves on camera at a given frame rate — is the practical expertise of the job.
Where they go, and what holds them. A light that is correct in position and impossible to rig is not a correct light. Stands, clamps, ceiling rigging, overhead frames and the interaction with the grip department all follow from this.
How the light is shaped. Raw output is rarely the point; diffusion, bounce, flags, nets and cutters are what turn a fixture into the quality being asked for. Much of a gaffer’s time on set is spent subtracting light rather than adding it.
What the power will carry. This is where the electrical half lives, and it is not optional knowledge.
Power Is Half the Job
Lighting is the largest electrical draw on most shoots, and locations are not built for it. A domestic interior has domestic circuits. An office has sockets distributed for laptops. A warehouse may have three-phase supply that nobody on the crew is qualified to connect to.
The gaffer’s questions on a recce are consequently electrical ones. How much supply is available. Where it comes from. Which sockets sit on which breaker, and what else is on that breaker. Whether the building’s supply can be used at all or whether the shoot brings a generator. Where cable can run without crossing a walkway, and how it is protected where it must.
The failure mode is memorable. A breaker that trips mid-take does not only cost the take — in an occupied building it may take out lighting, computers or equipment belonging to people who were doing their jobs before the crew arrived.
Distribution is the department’s own kit: the cable, the splitters and the boxes that turn one supply into many usable outlets in the right places. Ordering it correctly for a location that has been described but not visited is a recurring professional skill.
Who Works in the Department
The best boy electric is the gaffer’s second and the department’s organiser: ordering, crew, scheduling, and keeping the truck in a state where the right item can be found in the dark.
Electricians, commonly called sparks, do the rigging, the cable runs, the placing and the adjusting. On a large production this is a substantial crew; on a corporate shoot it may be one person, or nobody, with the gaffer doing everything.
The department works constantly alongside grip, which supplies and rigs everything the lights sit on or are shaped by. The division is roughly that lighting decides what the light does and grip builds what makes it possible, and on small crews the two roles collapse into one person who does both.
What the Job Looks Like Across a Day
The gaffer arrives early, because a lighting setup takes longer than anything else on a shoot and everything else waits for it. The order is usually: understand the plan, establish the power, rig the sources, refine with the director of photography once the camera is in position, then adjust between setups.
Between takes the department is the one still working — moving a flag, softening a source, killing a reflection somebody noticed in a monitor. At the end the department is the last to leave, because everything rigged has to come down, and cable coiled badly today is cable that wastes an hour tomorrow.
Continuity is a specific responsibility. A scene shot across two days has to match, which means the setup is recorded — positions, heights, intensities, colour settings, what was diffused with what — in enough detail to be rebuilt exactly.
Safety Is Part of the Title
Electricity, heat, height and heavy fixtures overhead is a combination with genuine hazard in it, and the department carries the responsibility.
That means rigging that is secured and safetied, cable that is routed and covered, loads that stay inside the capacity of the supply, and awareness of what a hot fixture does when a member of the public walks past it. On regulated sets it also means the paperwork: risk assessments for the specific activity and compliance with the electrical requirements of the jurisdiction.
Entering the Trade
The path into the department is from the bottom, and that is not a euphemism for luck. Trainees and junior electricians learn rigging, distribution, cable practice and the vocabulary of the set before they make decisions, and the promotion to gaffer comes when a director of photography trusts a person to run a department.
Formal electrical qualification carries real weight, since the job involves working with supply and distribution rather than only with plugs. Beyond that, the trade runs on reputation and on availability: a gaffer is hired because a specific director of photography wants to work with them again.
This reference publishes no rate figures. Where a reader needs numbers, the documents that carry them are public and dated: the applicable union or guild agreement for the jurisdiction, which sets working hours, turnaround and role definitions; the national statistical agency’s occupational data for the trade; and the electrical regulations that govern what the department is permitted to connect to.
Questions this page answers
Is the gaffer the person who decides how a scene looks?
Partly. The director of photography decides the intent — where the light comes from, how hard it is, what the contrast should be — and the gaffer works out how to achieve it with the fixtures, the power and the space available. In practice the two work so closely that the boundary moves with the pairing.
What is the difference between a gaffer and an electrician?
The gaffer heads the department and makes the decisions; the electricians, sometimes called sparks, rig, run cable, place fixtures and manage distribution. The gaffer's direct second is the best boy electric, who handles ordering, crew and the logistics of the department.
Why is the gaffer responsible for power?
Because lighting is the largest electrical load on most shoots and the department that brings the distribution. Working out what a location's supply can take, what needs a generator, and how circuits are shared is the same job as deciding which fixtures can be used.
Does the role still matter now that fixtures are efficient?
The power arithmetic has eased and the rest of the job has not. Shaping, control, colour consistency, rigging safely, and building a setup that can be struck and rebuilt identically tomorrow are unchanged, and the range of fixtures a gaffer has to know has grown rather than shrunk.
How does someone enter the department?
Almost always from below — as a trainee or an electrician on other people's crews, learning rigging, distribution and safe practice before making decisions. It is a trade with an apprenticeship shape, and the qualifications that matter are electrical ones plus the reputation earned on sets.