A picture light is specified by three numbers: the power you can get to it, hardwired, plug-in or rechargeable; the tube, its centre 1½ to 2 inches above the top of the frame on an arm 6 to 10 inches off the wall; and the light itself, 2700 to 3000 K at CRI 90 or better.
Hardwired, plug-in or rechargeable: which one can your wall take?
The power path decides the fixture. A hardwired picture light is fed from a wall box behind its backplate; a plug-in ends in a cord; a rechargeable carries its own battery.
| Power | What the wall must have | Best used for | What you give up |
|---|---|---|---|
| Hardwired | A switched box at picture height | A permanent art wall, a cable-free mirror | Drywall work and an electrician |
| Plug-in | A receptacle in cord reach | Rentals, one-off walls, no box | The cord; it cannot be buried |
| Rechargeable | Nothing | Brick or plaster where no cord can show | Runtime per charge, lower output |
UL's marking guide splits fixtures into dry, damp and wet, and anything subject to splashing takes a fixture marked for wet locations; a mirror over a basin is damp at best. A cord is not wiring: it stays visible and is never fished through a stud bay. Every picture light here is hardwired and listed UL, ETL or CE, so with no box your options are a cord on show, a rechargeable, or a new one.
Three measurements settle it:
- Note the height of the frame top, the mirror top or the top rail.
- Look behind that line for a wall box; if there is one, you are wiring.
- With no box, measure to the nearest receptacle and check the cord crosses no walkway.
How high does a picture light go, and how far off the wall?
Both dimensions are to the tube's centre, not the backplate. Set that centre 1½ to 2 inches above the top edge of the frame; over a mirror, 3 to 6 inches above the mirror top, out of the reflected view. The standoff is the arm's job: 6 to 10 inches off the wall, putting the tube roughly 8 to 12 inches from the surface at the top third of the piece.
On an 8 inch arm the tube sits about 8 inches from the top of a 30 inch canvas and about 32 from the bottom, so falloff leaves the bottom edge near 6% of the top edge's illuminance; at 10 inches it rises to about 9%.
| Where | Tube centre above the top edge | Arm (standoff) | Aim |
|---|---|---|---|
| Framed art under 30 in wide | 1½–2 in | 6–10 in | 25–35° out from the wall |
| Framed art 30–48 in wide | 1½–2 in | 8–10 in | 25–35°, or a matched pair |
| Over a mirror | 3–6 in | 8–12 in | tilted out of the reflected view |
| Panelling, dado, a panelled run | 1½–2 in above the top rail | 6–10 in | shallow, if the relief should read |
| Bookshelf or library wall | shelf front edge | 6–8 in | down onto the spines |
Aim 25 to 35 degrees out from the wall so the beam meets the art at a glancing angle: straight-on light bounces off a glazed print back at a standing eye; glancing light sends that reflection sideways and down.
What color temperature and CRI should art lighting use?
2700 to 3000 K reads as the light a painting was made under, and DOE's purchasing guidance notes that a move from 2,700 K to 4,100 K is a change occupants notice — the change that turns a vermilion into a brick tone. The CRI floor is 80 for qualified bulbs on a 0 to 100 scale; for artwork we specify 90 or better and ask what R9 is doing, because the general index averages eight pastel samples and can sit high while saturated reds read dull.
| Colour temperature | How it reads on art | Where it belongs |
|---|---|---|
| 2700 K | Warmest; flatters oil, gilt, brass, aged wood | Traditional painting, panelled rooms |
| 3000 K | Warm white, slightly more neutral; whites stay white | Modern work, mirrors, mixed rooms |
| 4000 K and up | Cool; pulls warm pigments toward grey | Not art. Utility rooms and garages |
The hardware follows: an integrated LED strip, like the 3000 K module in our Cannele, holds its colour and cannot be re-lamped, while an E26 socket, like the Incandescence picture lights, takes whatever warm, high-CRI, dimmable bulb the piece wants.
How do you light a mirror, and does panelling want the same treatment?
A mirror is not a lit surface but a reflecting one: point a bar at it and the glass shows the room, the backplate and the tube. Mount above on an 8 to 12 inch arm and tilt the beam away from the glass plane, so the wall around the mirror carries the light; the alternative is a flanking pair of sconces, 4 inches clear of the edge.
Panelling changes the aim, not the height. A tube on a 6 inch arm aimed down a panel field is a raking light: it picks out carved rails and beading, and every brush mark in the finish. For relief, rake; for an even wash, lengthen the standoff toward 10 to 12 inches.
Which picture light suits which wall?
Five fixtures, with the numbers that decide placement.
One small work, or a pair of prints. The Incandescence Modern Brass Picture Light 9" is 9 inches wide and 10 inches deep, so it throws the full standoff: one E26 socket at 25 watts maximum, $260 in polished brass, satin brass or satin nickel.
An integrated LED bar, colour fixed. The Cannele Modern LED Picture Light is 24 inches wide and 7½ inches deep, dimmable, 3000 K at CRI above 80, 105 lumens per watt, in lacquered burnished brass or bronze, $280.
A wide run of art. The Widluth Lukins Brass Picture Light 20" 32" is 7.88 inches deep, dimmable, 2700 K at 5 watts, in vintage brass or bronze, $410 in either width.
Changeable bulbs, warmer light. The Incandescence Brass Traditional Picture Light 16" is 16 inches wide and 10 inches deep with two E26 sockets, $480.
A larger panel. The Oxford Modern Brass LED Picture Light 16" 30" is 10 inches deep, 2700 K, 360 lumens at 4.5 watts, dry rated, in antique brass or oil rubbed bronze: $600 at 16 inches, $960 at 30.
Where the fixture must sit beside a mirror rather than over it, our wall sconce height and spacing numbers cover that layout.
Choosing and installing, in order
- Settle the power path: box, cord or battery.
- Measure the work, and the top rail for panelling.
- Set the tube centre 1½ to 2 inches above the frame top, or 3 to 6 above a mirror.
- Choose the arm: 6 to 10 inches for art, 8 to 12 over a mirror.
- Size the tube at about two thirds of the width, or use a matched pair.
- Specify 2700 to 3000 K, CRI 90 or better, dimmable, and ask for R9.
- Aim 25 to 35 degrees off the wall and dim below the room level.
- Hand the wiring to an electrician.
If it still looks wrong:
- Hot band at the top rail: the arm is too short.
- Dark frame edges: the tube is under two thirds of the width.
- A bright shape in the glass: the tube is in the reflected cone.
- Muddy reds and golds: CRI and R9, not brightness.
Sources
- Colour rendering — qualified bulbs must reach CRI 80 — U.S. DOE.
- Certified fixtures — long-term performance testing, multi-year warranty — ENERGY STAR.
- Dry, damp and wet location markings — UL Solutions marking guide.
- NFPA 70, the National Electrical Code — the model code U.S. jurisdictions adopt — NFPA.
- Light bulb labels — brightness in lumens, light appearance, bulb life — FTC.
FAQ
Can a picture light be plugged in instead of hardwired?
Yes — often the answer for a wall with no box at picture height. The constraint is the cord: it must reach a receptacle, stay visible, and cannot be buried.
How far above a painting should a picture light be?
To the tube's centre: 1½ to 2 inches above the frame top, on an arm 6 to 10 inches off the wall; over a mirror, 3 to 6 inches above the mirror top.
What CRI do you need for art?
80 is the U.S. floor for qualified bulbs; we specify 90 or better, plus the R9 value, because the general index averages eight pastel samples.
Heights, depths, colour temperatures and prices come from our published specifications; the electrical guidance comes from the sources above. Set the power path and the placement dimensions before choosing a finish, and have hardwired fixtures installed by a licensed electrician.
