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Quick Fixture Finder

Use the mounting position and light direction first. Those clues usually identify the fixture family faster than finish or decorative style.

Path and area lights

Staked fixtures with a stem and a downward-spreading head. Common failures are stakes, sockets, lenses and connectors.

Spotlights and floodlights

Aimable fixtures for trees, walls, flags and façades. Check lamp access, lens, gasket, knuckle and driver.

Deck and step lights

Surface or recessed fixtures mounted into rails, posts, stairs and hardscape. Hidden splices often fail first.

Wall lanterns and sconces

Line-voltage fixtures near doors, garages and patios. Glass and finish matching are often harder than electrical repair.

Recessed and architectural

Ceiling systems that may have separate housing, trim, reflector, LED engine, driver and emergency codes.

Solar fixtures

Battery-powered fixtures with a panel, charging circuit, switch and small LED board.

The Portfolio Fixture Identification Record

Before searching for parts, create a complete fixture record. One exterior photo is rarely enough because Portfolio reused similar shapes while changing the internal lamp, connector, stake or driver.

  1. Photograph the fixture installed. Include mounting position, nearby transformer or junction box and the full bracket or wire path.
  2. Photograph every label. Check the underside, inside the lens area, mounting plate, wire tag, transformer door, manual and original box.
  3. Record the electrical family. Note 120V line voltage, 12V or 15V low voltage, solar battery power or an external LED driver.
  4. Identify the light source. Record bulb base, lamp shape, LED module, COB board or sealed integrated engine.
  5. Measure the mechanical interface. Include lens dimensions, screw spacing, stake thread, bracket holes, stem diameter and gasket shape.
  6. Document the failure. State whether the fixture is dark, dim, flickering, wet, loose, broken, corroded or physically incomplete.

Best photo set: front, rear, underside, open lens, label, wire exit, connector, mounting interface and one image beside a ruler.

Use the Portfolio Lighting model number lookup when a label is readable. When the number has no dedicated record or the label is incomplete, use the Portfolio Lighting lost models archive.

Master Portfolio Fixture Family Matrix

Fixture FamilyMountingPower TypeLight SourceCommon FailureBest Identification ClueLikely Repair Path lightGround stake and stemLow voltage or solarWedge, bi-pin, module or integrated LEDStake, water, socketStake thread and head profileStake, bulb, socket, connector or head SpotlightStake or surface baseLow voltageMR16, bi-pin or integrated LEDFlicker, lens, knuckleLamp access and aiming jointBulb, lens, gasket, connector or fixture FloodlightStake, wall or eaveLow or line voltageHalogen or integrated LEDDriver, water, bracketInput voltage and driver labelDriver, lamp, bracket or fixture Deck lightPost, rail or wallLow voltageWedge, bi-pin or integrated LEDHidden splice, screwsFaceplate and wire exitConnector, screws, lens or fixture Step lightRecessed or surface plateLow or line voltageIntegrated LED or lampMoisture behind plateRough opening and box depthGasket, driver, faceplate or assembly Wall lanternExterior junction box120VE26, candelabra or integrated LEDGlass, socket, finishGlass geometry and backplateGlass, socket, hardware or fixture Motion lightWall or eave box120VLamp or integrated LEDSensor, photocell, waterSensor and control labelsReset, sensor, driver or fixture Recessed downlightCeiling housing120V–277V or driver-fedLamp, retrofit or LED engineDriver, spring, thermal issueHousing and trim codes togetherTrim, driver, engine or retrofit Solar path lightGround stakeRechargeable batteryIntegrated LED boardBattery, panel, corrosionBattery chemistry and housing accessBattery, board or fixture

Portfolio Path Lights: Identify the Support System Before the Lamp

A path light usually includes a head, stem, internal wire, threaded collar, stake and buried connector. The support system determines whether the head can be saved.

Mechanical layer

Broken stake, stripped stem, leaning head, cracked collar or loose canopy.

Electrical layer

Failed bulb, corroded socket, broken lead, loose connector or damaged splice.

Weather-seal layer

Flattened gasket, fogged lens, water inside the head or corrosion through the wire entry.

Fixtures built into retaining walls can experience moisture differently from ordinary stake-mounted landscape lights because water may reach both the front and hidden back side of the fixture. This becomes even more important beside pools, ponds, fountains, irrigation zones, and other wet areas. See our retaining wall lighting near water guide for help choosing the right fixture environment, protecting connections, managing drainage, and avoiding installations that trap water behind the light.

Use the landscape lighting screw thread guide and Portfolio replacement stakes guide before ordering support hardware.

Do not rotate the fixture head while the wire remains tight. The wire can twist inside the hollow stem and break at the socket or connector. Use the method in the broken stake repair guide.

Portfolio Spotlights and Floodlights: Beam Problems Are Not Always LED Problems

When one spotlight is dim, discolored or flickering, compare it with a nearby working fixture. The cause may be voltage drop, a corroded connector, damaged MR16 socket, wet lens or loose aiming joint.

Replaceable MR16

A removable lamp means brightness, color temperature and beam angle can often be corrected without replacing the housing.

Integrated LED

A sealed board may require a matched driver or complete fixture when the engine is inaccessible.

Separate driver

Record driver input, output current, output voltage range and dimming method.

Cracked lens

A crack changes moisture protection even while the light still works.

Loose knuckle

A fixture that drops out of aim may have worn serrations or a stripped locking screw.

Color mismatch

New LEDs can be cooler, brighter or narrower-beamed than an older halogen system.

Use the replacement LED modules and drivers guide when the light source is integrated.

Deck, Step and Hardscape Fixtures: Hidden Connections Cause Visible Failures

These fixtures often look clean from the front while failing behind the mounting plate. Water can enter through screw holes, travel into cable, collect in a recessed cavity or corrode a splice hidden inside a post.

Visible SymptomHidden FailureWhat to InspectMistake to Avoid Flickers when plate is touchedLoose splice or pinched wireWire and connector strainReplacing LED before checking splice Rust streak below screwFastener corrosion and water pathScrew, gasket and openingInstalling a shorter random screw Lens fogs after rainBackside moisture or seal failureGasket compression and drainageSealing only the front lens One post light is deadWire break at moving jointPost base and cable transitionAssuming transformer failure New fixture misses openingWrong faceplate or rough-inPlate, screw spacing and cavityBuying by wattage alone

For damaged screws and brackets, use the mounting hardware and bracket replacement guide.

Portfolio Wall Lanterns and Sconces: Glass Is Often the Hardest Part to Match

Wall fixtures are frequently electrically repairable but visually difficult to restore. Standard sockets and mounting hardware may have replacement paths, while model-specific glass panels, curved shades and decorative cages disappear after discontinuation.

Measure before searching for glass

Flat glass changes the replacement equation. A local glass shop may be able to cut a flat panel. Curved, molded or patterned glass usually requires a donor fixture or complete replacement.

Use the Portfolio replacement lenses guide and discontinued Portfolio Lighting guide.

Recessed and Architectural Fixtures: One Installed Light Can Have Several Model Numbers

Commercial and architectural downlights should be identified as assemblies. Housing, trim, reflector, LED engine, driver and emergency accessory may each carry a separate catalog code.

ComponentWhat Its Code ControlsWhy It Matters Housing or frameAperture, ceiling type, thermal rating and installationControls physical and listing compatibility Trim or reflectorFinish, beam control and opening geometryCan fit the hole yet mismatch optics or housing LED engineLumen package, color temperature and loadMust match driver output and thermal system DriverInput voltage, output current and dimmingWrong current can shorten life or damage engine Emergency optionBattery, transfer behavior and wiringCannot be removed casually from egress use

Use the Portfolio commercial lighting guide for architectural assemblies and Portfolio recessed lighting for residential housings and retrofit modules.

Portfolio Solar Fixtures: Battery Failure Is Common, but Not the Only Failure

A dim solar light is often blamed on the rechargeable battery, but the panel, switch, charging circuit, LED board, contacts and moisture seals all matter.

Battery first

Confirm chemistry, voltage, capacity, size and terminals.

Panel second

Clean haze and check charging before blaming the LED.

Contacts third

Green or white deposits can block charging with a new battery.

Switch fourth

Small slide switches corrode and create intermittent operation.

Board fifth

Water damage can make component repair impractical.

Housing last

A failed seal can make every battery replacement temporary.

A serviceable battery compartment improves repairability. A glued, potted or permanently sealed head lowers it because inspection damages the weather seal.

The Fixture Layer Test: Find the Failed Part Before Buying Anything

Every fixture can be checked as a sequence of layers. This prevents buying a replacement head when the buried connector is the real failure.

  1. Power layer: confirm transformer, circuit or battery output.
  2. Connection layer: inspect wire nuts, pierce connectors, terminals, cord entries and local splices.
  3. Control layer: check photocells, sensors, timers, switches and dimmers.
  4. Light-source layer: test the bulb, socket, LED engine or driver independently.
  5. Optical layer: inspect lens, reflector, diffuser and contamination.
  6. Mechanical layer: verify stake, stem, bracket, knuckle and mounting stability.
  7. Seal layer: inspect gaskets, glass seating, screw holes and moisture tracks.

Fast low-voltage isolation test: connect the suspect fixture temporarily at the transformer with a short known-good lead. If it works there, the fixture is probably good and the buried wire or connector is the problem.

The low-voltage failure-points guide explains why a meter can show voltage while a corroded connection cannot deliver usable current.

Fixture Failure Signature Database

SymptomLikely Fixture CauseSystem Cause to ExcludeFirst Test One fixture darkBulb, board, socket or connectorBroken branch wireTest at transformer or known-good point Flickers when movedLoose socket, lead or connectorTransformer relay chatterDe-energize and inspect movement points Dims after rainWater in lens, socket or driverWet buried spliceInspect moisture and test voltage under load New LED strobes far awayDriver below minimum voltageCable drop or resistanceMeasure voltage with LED connected Will not hold aimWorn knuckle or screwSoil movement or cable tensionCheck joint and stake separately Lens fogs but light worksGasket or seal failureWire-entry moistureOpen, dry and inspect both paths Socket turns greenMoisture corrosionRecurring failed lens or lead sealCorrect water source before new lamp Runs hotter than neighborsWrong lamp or poor contactOvervoltage near transformerCompare lamp, voltage and connection

Portfolio Fixture Repairability Score

This scoring method helps decide whether a fixture deserves component repair, a donor part or complete replacement.

ScoreConstructionParts OutlookTypical Decision 5 — Highly repairableReplaceable bulb, openable housing, standard stake or bracketSeveral measurable or universal partsRepair the failed layer 4 — Good candidateAccessible socket or driver, removable lensParts require careful matchingRepair if housing and seals remain sound 3 — ConditionalIntegrated LED with accessible driverSpecs known but exact parts uncertainCompare repair with replacement 2 — DifficultSealed board, proprietary glass, damaged castingDonor fixture may be only sourceReplace unless appearance match is critical 1 — RetireCracked housing, corrosion, brittle wire and failed sealNo dependable repair pathReplace fixture or zone

Repairability and value are different. A fixture can be technically repairable but not worth rebuilding if finish, gasket, wire and mounting system are all near end of life.

Compatibility Checklist Before Replacing One Fixture

The Portfolio Lighting compatibility guide covers cross-model matching. When an exact part is unavailable, use replacement for Portfolio landscape lighting and Portfolio Lighting alternatives.

When One Failed Fixture Signals a Larger System Problem

A single dark fixture may be local. Several fixtures failing in the same area usually point to the system around them.

Outdoor lighting fixtures rely on more than the housing material to withstand weather exposure. Internal gaskets, O-rings, and seals help maintain protection against moisture and debris. Our outdoor lighting gaskets, O-rings, and seals guide explains the role these components play in fixture durability.

Same branch fails

Look for damaged trunk cable, hidden splice, overload or shared connector.

Far fixtures dim first

Measure voltage drop and connection resistance before replacement.

Failures follow rain

Inspect low points, buried splices, cracked lenses and wire entries.

Near fixtures run hot

Check multi-tap voltage and lamp ratings.

Many stakes break

Consider aged plastic, frozen soil, impact and excessive fixture weight.

Multiple LEDs flicker

Check transformer output and high-resistance connections.

Use the Portfolio transformer master guide when several fixtures share the problem. For broad diagnosis, start with Portfolio landscape lights not working.

Not every older Portfolio fixture is considered vintage, but many discontinued fixture families deserve special restoration consideration because of their unique construction and decorative value. If your fixture appears to be an older model, the Portfolio Vintage Lighting guide explains how to estimate its age, evaluate restoration potential, and determine whether preserving the original fixture makes more sense than replacing it.

Fixture type affects more than beam shape and lamp compatibility. Replaceable halogen lamps, LED retrofit lamps, and integrated LED fixtures produce different startup-current waveforms that can affect transformer performance and switching reliability. Use the landscape lighting inrush-current database to compare the electrical startup behavior of common fixture and lamp families.

Do Not Buy a Fixture Until You Know These Five Answers

1. What voltage does the system deliver?
2. Is the light source replaceable or integrated?
3. What mounting interface must match?
4. What color, brightness and beam must the new fixture reproduce?
5. Is the failure inside the fixture or elsewhere in the system?

Those answers prevent the most expensive mistake: replacing a working fixture because a connector, transformer tap or buried wire was never tested.

Portfolio Lighting Fixture FAQ

Where is the model number?

Check the underside, lens compartment, mounting plate, wire tag, transformer door, manual cover and original box. A Lowe's item number may appear separately.

Can I replace only one landscape fixture?

Yes, when voltage, load, color temperature, brightness, beam, connector and mounting can be matched.

Why does a new fixture not work on an old transformer?

The fixture may require a different AC/DC supply, minimum voltage, polarity, driver architecture or connector. Voltage drop may also keep an integrated LED driver from starting.

Can broken wall-fixture glass be replaced?

Flat glass may be reproducible by a local glass shop. Curved, molded or patterned glass usually requires an exact part, donor fixture or full replacement.

How do I know whether the fixture or wire is bad?

Test a low-voltage fixture at the transformer with a short known-good lead. If it operates normally, inspect the buried run and connectors.

Portfolio Fixture Identification, Parts and Repair Resources

Philip Meyer, lighting specialist

Expert Review by Philip Meyer

Philip focuses on fixture identification, low-voltage troubleshooting, discontinued Portfolio models, replacement-part compatibility and the mechanical and moisture failures that determine whether a fixture can be repaired.