DIY Candle Warmer: Every Build and What Goes Wrong

Safety & Setup

A DIY candle warmer is one of the few kitchen-table projects whose failure mode is a scorched lamp socket rather than a wasted afternoon. Here is what each build actually does to the wax, why the light bulb versions are the risky ones, and the single lamp trick that is genuinely safe.

GODONLIF Editorial

Researched and written in-house

Published August 12, 2026 · 11 min read
Bulb temperatures and recall counts read from the CPSC releases themselves, not from secondary summaries

Key takeaways

This page is about improvised builds — lamps, bulbs, rigs. If you already own a finished warmer and just need the right bulb for it, that is a different question with its own page: our candle warmer light bulb guide covers bases, wattages and replacements.

The wax needs very little heat. Paraffin melts between about 115 and 154 °F, and a finished warmer lamp holds the wax surface at roughly 100 to 160 °F. That is the entire target window.^[9]
The heat sources people reach for are wildly hotter. The CPSC measured tubular halogen bulbs at about 970 °F for a 300 W bulb and 1,200 °F for a 500 W one, and its tests showed those bulbs could ignite nearby combustibles.^[1]
The bulb is not really the villain — the fixture is. A table lamp is rated for a maximum bulb wattage, and the fire agencies’ standing advice is to match it and keep combustibles away from bulbs.^[3]
One lamp hack survives scrutiny. A light bulb fragrance ring adds no electrical load at all — but it needs a hot filament bulb, which the US market has largely stopped selling.^[6]
Wax is combustible, not inert. Paraffin has a flash point of 199 °C (390 °F) and an autoignition temperature of 245 °C (473 °F).^[4]

A DIY candle warmer sits in an odd category: the project is genuinely easy, the physics is genuinely simple, and the thing that goes wrong is not the thing people plan for. Nobody’s homemade rig fails because the wax refuses to melt. It fails because a lamp built to run a 40 W bulb behind a shade is asked to run something much hotter, much closer to a glass jar, for four hours at a time, with a pool of combustible liquid underneath it. This page walks each common build, puts real temperatures against each one, and separates the two things that keep getting conflated — the idea of warming wax with a bulb, which is exactly how a candle warmer lamp works, and the improvised electrical path people use to get there, which is where the risk lives.

01Can You Make a DIY Candle Warmer? The Short Answer

Yes, you can build something that melts wax, and no, almost none of the popular builds control the one variable that matters. Melting is trivial: wax gives up at temperatures a cup of coffee reaches. Controlling how much hotter than that the wax and everything around it gets — that is the whole engineering problem, and it is the part a desk lamp with a bigger bulb in it does not solve. A finished warmer solves it with three unglamorous parts: a fixed standoff distance between bulb and jar, a dimmer, and a timer that ends the session whether or not you are still in the room.

With the specific numbers attached, the picture gets blunt. The wax wants roughly 115 to 154 °F to melt and a commercial lamp holds the surface at about 100 to 160 °F.^[9] Paraffin’s flash point sits at 390 °F and its autoignition temperature at 473 °F.^[4] And the bulbs people bolt into these projects run at 970 to 1,200 °F at the glass.^[1] Everything below is about the distance between those three bands.

The four builds people actually attempt, and what each one gets wrong
The build	How it is meant to work	What actually happens	Verdict
Table lamp, shade off, bigger bulb	Bare bulb hangs over an open jar and melts the top layer	Fixture is rated for a lower wattage; socket and cord insulation take heat they were never rated for	Do not
Clip-on or gooseneck desk lamp aimed at a jar	Adjustable arm gives you a standoff distance	The arm also lets you get it wrong; no dimmer, no timer, and the distance drifts every time it is nudged	Do not
Reptile or brooder heat lamp over a candle	A purpose-made heat source, so it must be better	Built to heat an enclosure of air, not a small target; grossly over-powered for a 4 oz jar	Do not
Fragrance ring resting on a lit bulb	Ceramic ring warms a few drops of oil in its groove	Works as intended, adds no electrical load — but needs a filament bulb that is getting hard to buy	Safe, with caveats

Read the verdict column and the pattern is not “bulbs are dangerous”. Three of these four builds fail in the same place: they change what a fixture is being asked to do without changing the fixture. The fourth changes nothing electrical at all, which is exactly why it is the one that survives.

An improvised warmer on a wooden desk: a black gooseneck clip lamp with its shade removed, bent over so the bare bulb hangs a few inches above an open cream jar candle with an unlit wick, the cord trailing to the edge of the desk — The build almost everyone tries first: a lamp with the shade off, bent over an open jar. Nothing here sets the distance, limits the heat or ends the session.

02A Candle and Light Bulb Are Not the Same Thing as a Warmer

Put a candle and light bulb in the same frame and you have the raw ingredients of a warmer, not a warmer — and that gap is where every homemade version lives. A light bulb and candle arrangement has no way to know how far apart they should be, how hot the wax has got, or when to stop. The commercial version of this pairing is not clever; it is simply constrained. The bulb is fixed at a set height on an arch, its output is adjustable, and a countdown timer cuts the power. Take those three constraints away and you are left with a heat source and a target, aimed by hand.

Heat is the point, which is why bulb choice is not interchangeable. The gap is efficacy: the federal standard lifted common bulbs from 45 lumens per watt to more than 120, and the power a filament or halogen bulb fails to turn into light is exactly the heat an improvised rig is counting on — heat an LED of the same brightness never produces.^[5] That is a real inconvenience for the DIY builder in 2026: the bulb aisle is now almost entirely LED, so the bulb that screws in easily is usually the one that will never melt a thing, and the bulb that melts wax is the one that also cooks the fixture holding it.

The Temperature Gap a Homemade Warmer Has to Manage Degrees Fahrenheit, from what the wax needs to what the hardware runs at

Wax surface under a warmer lamp100–160°F

Paraffin melting range115–154°F

Paraffin flash point390°F

Paraffin autoignition473°F

300 W tubular halogen bulb970°F

500 W tubular halogen bulb1,200°F

Sources: wax surface and melting ranges from our own melting-point and warmer-temperature guides; flash point and autoignition from NOAA CAMEO Chemicals, “Waxes: Paraffin”; bulb temperatures from the US Consumer Product Safety Commission’s 1996 warning on tubular halogen bulbs. Retrieved August 12, 2026.

The two shaded bars at the top are the entire job. Everything below them is margin you are spending, and the last two bars are what a hot filament bulb hands you if nothing stands between it and the wax. A finished lamp spends that margin on air — a fixed gap of several inches, a reflector that spreads the output, and a dimmer that turns it down once the pool has formed. A hand-aimed rig spends it on hope. For the fuller picture of where each temperature sits, our guide to how hot a candle warmer gets maps the whole ladder from wax pool to flame.

03The Danger Nobody Mentions: A Melting Light Bulb Socket

Search around this topic and you will find plenty of warnings about hot wax and almost none about a melting light bulb socket, which is the failure that actually shows up in fire-agency guidance. Electricians call it overlamping: putting a bulb of higher wattage into a fixture rated for less. The lampholder, the wiring insulation and the shade around it are all specified for a temperature the manufacturer chose, and the maximum wattage marking on the socket is that decision written down. Exceed it and the heat has nowhere to go but into the plastic and the insulation.

The US Fire Administration’s household guidance puts both halves plainly: use light bulbs that match the recommended wattage on the lamp or fixture, and keep anything that can burn away from lamps, light fixtures and light bulbs.^[3] A homemade warmer breaks both at once. It usually means a hotter bulb than the fixture asks for, and it deliberately places a combustible — a jar of wax with a flash point of 390 °F — directly beneath the bulb, which is the exact geometry the second half of that advice is written to prevent.^[4]

If that sounds theoretical, the halogen torchiere is the case study. Those lamps put a very hot bulb in an upward-facing bowl where curtains, bedding and paper could reach it. In 1997 the CPSC and the lamp industry announced a corrective action covering some 40 million halogen torchiere floor lamps, with the agency aware of at least 189 fires and 11 deaths since 1992.^[2] The fix was not a smarter bulb. It was a wire guard: a physical barrier keeping combustibles off the glass.

Halogen torchiere lamps in the 1997 corrective action40 millionLamps covered by the CPSC-and-industry programme to fit a wire guard over the bulb, announced in 1997.

Fires and deaths counted before that fix189 fires, 11 deathsWhat the CPSC was aware of since 1992 involving halogen torchiere floor lamps. The hazard was a hot bulb with an open path to combustibles — the same geometry a homemade warmer creates on purpose.

Close-up of an unplugged white ceramic and plastic lamp socket on a workbench with the bulb removed, the plastic collar of the lampholder discoloured brown and slightly deformed from heat, the printed maximum wattage marking still legible on the side — What overlamping looks like before anything catches: a lampholder browned and deformed by heat, with its own maximum-wattage marking still printed on the side.

04Why a Heat Lamp Candle Rig Is the Wrong Build

A heat lamp candle setup is the build that feels most sensible and is the least defensible of the lot. The logic is appealing: a reptile basking lamp or a brooder lamp is a purpose-made heat source, so surely it beats improvising with a reading lamp. What it is purpose-made for is the problem. Those fixtures are designed to raise the temperature of a whole enclosure of air or to keep a cluster of chicks warm through the night, which is a job at a completely different power level from melting the top layer of a four-ounce jar. Pointed at that jar on a side table, they are not a gentler tool than a desk lamp; they are the same tool with the dial turned much further up.

The CPSC’s testing on the closely related tubular halogen bulbs is the relevant evidence, and it is not ambiguous. Bulbs of 250, 300 and 500 W installed in torchiere lamps could start a fire in nearby combustible materials, the commission found, with 300 W bulbs measured at about 970 °F and 500 W bulbs at about 1,200 °F; at the time of that 1996 warning it had reports of at least 30 fires and two deaths associated with them.^[1] Those are bulbs in the same power class people reach for when a 40 W bulb “isn’t melting it fast enough”.

There is one honest thing to say on the other side. A heat lamp will absolutely melt the wax, and quickly. That is not in dispute, and pretending the build simply does not work would be the easy lie to tell here. The objection is that speed is the wrong goal: fragrance is volatile, and heating a pool far past its melting point drives the top notes off in the first few minutes rather than releasing them over an evening. The gentle version is not a compromise on performance. It is how the scent lasts.

05DIY Candle Warmer vs DIY Wax Warmers: Same Build, Same Problem

People searching for DIY wax warmers and people searching for homemade candle warmers are describing the same rig with different cargo, and the risk profile does not change with the cargo. The variants are worth naming because they get recommended as though they were meaningfully different: a tealight under a ceramic dish, a mug warmer with a tin of melts on it, a small tin over a candle, or the lamp builds already covered. Only one of those introduces a live flame, and it is the one usually pitched as the low-tech, safer option.

What changes between the two

Wax melts hold less mass, so they warm faster
A dish is easier to clean than a jar
Melts are usually a shallow open pool, closer to whatever is heating them
Tealight-under-dish builds add an open flame back in

What does not change

No fixed distance between heat source and wax
No dimmer, so no way to hold a gentle pool
No timer, so the session ends when you remember
No listed appliance, so no tested thermal limits

The right-hand column is identical for both, which is the whole point of putting them side by side. If you want the format comparison itself — jar candles under a lamp versus melts in a dish, as products rather than as projects — that is covered in our candle warmer vs wax warmer breakdown. What none of the homemade versions has is the fourth item: a third-party safety listing. On finished appliances sold in North America that shows up as a UL or ETL listing mark — UL Solutions describes its Listing mark as certification that representative samples met the applicable safety requirements, and Intertek describes its ETL Listed mark as verification that a product meets North American safety standards.^[7]^[8] Either way it is a claim about samples somebody else tested, which is a claim no kitchen-table build can make about itself.

06What To Use Instead

Work backwards from what you are actually trying to do and most of these projects stop being necessary. There are only three real intentions behind “I want to build a candle warmer”, and each has a settled answer.

What are you actually after?

→

Scent from jars you already own

→

A finished warmer lamp — fixed height, dimmer, timer

A little scent from a lamp already switched on

→

A fragrance ring, no wiring touched

The making itself is the fun part

→

Pour your own melts or candles — craft the wax, buy the appliance

That last branch deserves saying out loud, because the appetite behind most of these searches is legitimate and only the wiring is not. Making wax is a genuinely good home project with no electrical risk attached; making the machine that heats it is not.

The One Legit Lamp Hack: A Light Bulb Fragrance Ring

A light bulb fragrance ring is the exception, and it is worth understanding why it passes when everything else fails. Fragrance rings for light bulbs are ceramic, terracotta or metal rings that rest on the bulb of a lamp you are already running; you put a few drops of oil in the groove and the bulb’s waste heat evaporates it slowly. Nothing about the circuit changes: same bulb, same wattage, same fixture, no combustible pool underneath. The ring adds a small thermal mass sitting on glass that was already that hot.

Two caveats decide whether it is worth buying. First, it needs heat the modern bulb aisle no longer provides. Supplier guidance for these rings — not an independent test — specifies an incandescent or halogen bulb of 60 W or less and warns that LED and CFL bulbs do not get hot enough to work,^[10] which is what the efficacy numbers predict: the more of its power a bulb turns into light, the less of it is left over as the heat a wax pool needs.^[5] Those filament bulbs are the ones the federal general service lamp standard of 45 lumens per watt pushed off the shelf in the first place.^[6] Second, the oil you use matters: neat essential oil behaves differently from fragrance blended into wax, which we work through in our guide to essential oils in a candle warmer. Check the ring maker’s own bulb instructions before buying, and check what is actually in your lamp.

Close-up of a plain terracotta fragrance ring sitting on the glass of a lit clear filament bulb in a brass table lamp with the shade removed, a small pool of oil visible in the ring's groove, warm evening light on a linen wall behind — The one build that changes nothing electrical: a terracotta ring resting on a bulb that was already running at that temperature.

Everything else on the list points at the same conclusion, which is admittedly the conclusion a lamp brand would like you to reach — so judge it on the parts list rather than on who is saying it. A finished warmer is a fixed standoff, a dimmer and a timer wrapped around a bulb. Those three parts are what the homemade versions are missing, and they are the parts that are awkward to add safely at home. Ours uses a 25 to 50 W halogen bulb on a height-adjustable arch, dims down to a low glow, and shuts itself off after twelve hours; the timer in particular is the piece no DIY build replicates, and our timer and auto shut-off guide explains why it matters more than the wattage does.

A GODONLIF candle warmer lamp with a matte black arch pole, clear fluted glass shade and round flat matte black base glowing over a wide cream jar candle with a shallow even melt pool and an unlit wick, standing on a pale oak desk beside a closed notebook — The same idea as every build above, with the three missing parts fitted: a fixed gap between bulb and jar, a dimmer, and a timer that ends the session.

07If You Build One Anyway

Some readers will build one regardless, and a page that refuses to say anything useful to them is just posturing. These four rules are ordered by how much risk each one removes, and none of them turns an improvised rig into a listed appliance — they only narrow the ways it can go wrong.

Read the socket before you buy the bulb

The maximum wattage marking on the lampholder is the fixture’s thermal limit. Match it or go under it; the fire-agency advice to use bulbs matching the recommended wattage exists because the socket and its insulation are rated, not arbitrary.

Removes the most common failure

Set the distance, then stop moving it

The gap between bulb and wax is the only temperature control an improvised rig has. Fix it mechanically so it cannot drift, and never let glass touch glass — a cold jar against a hot bulb is a thermal-shock crack waiting to happen.

The variable nothing else controls

Put a real timer in the circuit

A plug-in mechanical or smart outlet timer costs very little and gives an improvised build the one feature it otherwise cannot have: an end to the session that does not depend on you remembering. Nothing here should run unattended regardless.

Cheap, and the closest thing to a safeguard

Clear the surroundings and check it while hot

Keep fabric, paper and anything else combustible well away from the bulb, and put a hand near the socket after twenty minutes. Heat you can feel through the fixture, a smell of hot plastic, or any discoloration around the lampholder means stop and unplug it.

Catches the failure before it is a fire

If more than one of those rules feels hard to satisfy with the parts you have, that is the answer rather than an obstacle. The reason a homemade warmer is cheap is that it leaves out the parts that cost money, and those parts are the safety ones.

08Watch the Short Version

Thirty seconds on the temperature gap this whole page turns on: what an improvised bulb runs at, the band wax actually needs, and why a purpose-built lamp is the boring answer. The sourcing, the socket failure mode and the one hack worth keeping are in the sections above.

Frequently asked questions

These answers stay inside what the CPSC releases, the fire-agency guidance and the published chemical data establish. Anything about a specific fixture in your home is a question for its own markings, not for a general article.

Will a homemade warmer melt a wide three-wick jar, or only the middle of it?

Usually only the middle, and that is a geometry problem rather than a power problem. A single bare bulb throws a roughly circular footprint of heat, so a narrow jar sits entirely inside it while a wide three-wick jar gets a hot centre and cool edges that never join up. Turning the bulb up to reach the rim overheats the middle long before the edges soften. Finished lamps deal with this by spreading the output across a shade the width of the jar, which is why shade diameter, not wattage, is what decides whether a wide candle melts evenly. Measure the widest candle you own before assuming any rig will cover it.

What is an E26 bulb and is it the right base for a homemade warmer?

E26 is the ordinary screw base on North American household lamps. The E stands for Edison and the 26 is the thread diameter in millimetres, defined in the ANSI lamp base standards – base dimensions in ANSI C81.61, lamp shapes and bases in ANSI/NEMA C78.20-2022. It is the base most DIY warmer conversions end up using, purely because it is what a table lamp already has, and it is also the easiest one to get wrong now that the shelf beside it is almost entirely LED. Choosing or replacing the bulb in a warmer you already own is a separate question with its own page: see our candle warmer light bulb guide for bases, wattages and replacements.

Do you need to take off the lid, the label or the wick before putting a jar under one?

The lid comes off and stays off, because a closed jar traps the vapour you are trying to release and turns the glass into a sealed vessel being heated from above. Labels can stay on if they sit low on the jar, but a paper label that wraps up near the rim is combustible material within inches of a hot bulb, so peel it or pick a different candle. The wick is the one thing you do not need to touch: nothing is burning it, so it neither needs trimming nor produces the mushroomed carbon tip you would trim after a flame. If a wick has already been burned, stand it upright in the pool before it sets, or it will cure at an angle and be awkward to light later.

Is a homemade candle warmer still a fire risk if you only run it for an hour?

A shorter session lowers your exposure but does not remove the hazard, because the hazard is the geometry rather than the clock: a hot bulb with an open path to combustible material, in a fixture that may not be rated for the bulb screwed into it. The fire-agency guidance behind that – match the bulb to the wattage marked on the lamp, keep anything that can burn away from bulbs – is not written in units of time, and a one-hour rig breaks it exactly as thoroughly as a four-hour one. If you run one at all, stay in the room, keep fabric and paper well clear, and stop immediately at any smell of hot plastic or discoloration around the socket.

What should I look for in a safe candle warmer if I give up on building one?

Beyond the obvious control parts, four practical things decide whether you keep using it. A shade opening wider than your widest jar, since coverage is what makes a pool even. A glass shade that lifts off without tools, because scent oils and dust film the inside of it and a shade you cannot clean gets dimmer every month. A standard, stated, replaceable bulb type, so a burnt-out bulb is a two-minute errand rather than a dead lamp. And a base heavy enough that a tug on the cord does not tip a jar of hot wax over – check where the switch sits too, since a switch you have to reach past the shade to find is one you will stop using. Ours was designed against that serviceability list as much as against the heating parts: the glass shade lifts off by hand, the bulb is a standard replaceable halogen, and the base is weighted flat metal.

The three parts a build cannot add

GODONLIF Candle Warmer Lamp

A 25 to 50 W halogen bulb on a height-adjustable arch melts any jar candle from above — no flame, no wick, no improvised wiring. The dimmer holds a gentle pool instead of cooking the fragrance off, and the twelve-hour timer ends the session whether or not you are in the room.

View on Amazon

As an Amazon Associate, GODONLIF may earn from qualifying purchases. Current price and availability are shown on Amazon.

Sources and evidence limits

Temperatures, recall counts and fire figures are read from the issuing agencies’ own releases rather than from secondary summaries. Each link was checked on August 12, 2026.

US Consumer Product Safety Commission (1996), “CPSC Issues Warning on Tubular Halogen Bulbs.” Tubular halogen bulbs range between 300 and 500 watts, with temperatures from about 970 °F for a 300-watt tubular bulb to 1,200 °F for a 500-watt tubular bulb; CPSC tests showed that 250, 300 and 500 watt tubular halogen bulbs installed in torchiere lamps could start a fire in nearby combustible materials, and the commission had reports of at least 30 fires and two deaths associated with them. cpsc.gov — news release (retrieved August 12, 2026).
US Consumer Product Safety Commission (1997), “CPSC and Industry Announce Corrective Action to Improve Safety of Halogen Torchiere Floor Lamps.” Cooperative corrective action covering some 40 million halogen torchiere floor lamps; CPSC was aware of at least 189 fires and 11 deaths since 1992 involving them, and the remedy was a wire guard making it harder for flammable materials to touch the bulb. cpsc.gov — corrective action (retrieved August 12, 2026).
US Fire Administration, FEMA, “Appliance and Electrical Fire Safety.” Household guidance to keep anything that can burn away from lamps, light fixtures and light bulbs, and to use light bulbs that match the recommended wattage on the lamp or fixture. usfa.fema.gov — appliance and electrical fire safety (retrieved August 12, 2026).
NOAA Office of Response and Restoration, CAMEO Chemicals, “Waxes: Paraffin.” Flash point 199 °C (390 °F), autoignition temperature 245 °C (473 °F), classified as a Class IIIB combustible. cameochemicals.noaa.gov — waxes: paraffin (retrieved August 12, 2026).
US Department of Energy (2022), “DOE Finalizes Efficiency Standards for Lightbulbs.” The efficacy gap this page turns on, in the department’s own numbers: the rule lifts the floor for common lightbulbs “from 45 lumens per watt to more than 120 lumens per watt.” The power a filament or halogen bulb does not turn into light is what leaves as heat, which is the property an improvised warmer is relying on. energy.gov — DOE finalizes efficiency standards for lightbulbs (retrieved August 12, 2026). ⚠ The two Energy Saver pages originally cited here (“Halogen Incandescents” and “LED Lighting”) returned 404 on the 08-12 publish-day re-check — that whole /energysaver/ section is gone — so the claim was re-sourced to this live DOE release and the wording narrowed to what it actually states.
US Code of Federal Regulations, 10 CFR § 430.32, energy conservation standards for general service lamps — the codified 45 lumens per watt minimum efficacy requirement, the rule that removed most household filament bulbs from US shelves. eCFR — 10 CFR 430.32 (retrieved August 12, 2026).
UL Solutions, “UL Listing and Classification Marks.” What a UL Listing mark certifies about representative samples of an electrical product — the claim an improvised build cannot make. UL Solutions Marks Hub — learn about UL marks (retrieved August 12, 2026).
Intertek, “ETL Listed Mark.” How the ETL Listed mark verifies that a product meets North American safety standards — the other listing mark carried by finished warmer lamps sold here. intertek.com — ETL listed mark (retrieved August 12, 2026).
GODONLIF, “Candle Wax Melting Point” (paraffin melts at about 115 °F to 154 °F / 46 °C to 68 °C, with the full chart by wax type) and “How Hot Does a Candle Warmer Get?” (wax surface under a warmer lamp at roughly 100 °F to 160 °F, generally under 200 °F, with the sources behind those figures). godonlifstore.com — candle wax melting point; godonlifstore.com — how hot does a candle warmer get (both retrieved August 12, 2026).
Aroma Warehouse, “What is a Light Bulb Diffuser Ring?” Supplier guidance — a retailer’s own instructions rather than an independent test — for ceramic and brass fragrance rings: use an incandescent or halogen bulb of 60 W or less, because LED and CFL bulbs do not produce enough heat to vaporise the oil. aromawarehouse.com — light bulb diffuser rings (retrieved August 12, 2026).

Further reading on this site — background rather than evidence cited above: candle warmer bulb guide covers bases and replacement bulbs for a warmer you already own, choosing a candle warmer lamp lists what the finished machines are judged on, and candle warmer troubleshooting covers a warmer that has stopped melting properly.

Evidence limits: the CPSC figures above describe tubular halogen bulbs in torchiere floor lamps in the mid-1990s, not homemade candle warmers, and no agency we could find has tested an improvised warmer specifically — we cite them because the hazard mechanism is the same one (a very hot bulb with an open path to combustible material), which is an inference rather than a measurement of these builds. Bulb surface temperatures vary enormously with wattage, envelope type, enclosure and airflow, so the 970 and 1,200 °F figures apply to the specific tubular bulbs CPSC tested and not to every bulb someone might use. The paraffin flash point and autoignition figures are for paraffin as a chemical class; soy, coconut and beeswax blends differ, and additives shift every number. Fixture wattage ratings are set by each manufacturer, so the only authoritative limit for your lamp is the one printed on its own socket. Nothing here is a substitute for the instructions supplied with a specific appliance, and no arrangement of a bulb and a jar — homemade or bought — should be left running unattended.

News

DIY Candle Warmer: Every Build, and What Goes Wrong