Leviton 6674-P0W Slide Dimmer Switch for LED, CFL & Incandescent
The Leviton 6674-P0W is a slide-style dimmer switch engineered to control LED, CFL, and incandescent lighting loads from a single, easy-to-use device. Identified by its manufacturer designator as an LED/CFL/INC Slide Dimmer, this Leviton control brings smooth, glare-free light adjustment to residential and light commercial spaces without the need for separate dimmer models for each lamp type. The slide-action design gives users precise, tactile control over brightness levels, making it a practical upgrade for rooms where lighting needs change throughout the day. As part of Leviton's dimming lineup, the 6674-P0W is built to deliver dependable, code-compliant performance for everyday electrical projects, whether you're replacing an existing single-pole switch or specifying dimming controls for a new installation.
Key Features
- Multi-Technology Compatibility: Designed to work with LED, CFL, and incandescent lighting loads, eliminating the need for multiple dimmer types across a project.
- Slide Dimming Control: A smooth slide mechanism allows for intuitive, precise brightness adjustment, giving users direct tactile feedback when setting light levels.
- Leviton Reliability: Manufactured by Leviton, a recognized name in wiring devices and lighting controls for both residential and commercial electrical systems.
- Simple Single-Device Solution: Consolidates dimming functionality for common lamp types into one device, simplifying specification and inventory for electrical contractors and facility managers.
- Versatile Application: Suited for a wide range of interior lighting circuits where variable brightness control is desired.
Technical Specifications
- Product Type: Slide Dimmer Switch
- Compatible Lamp Types: LED, CFL, and Incandescent
- Control Style: Slide-Action Dimmer
- Brand: Leviton
Typical Applications
- Residential Lighting Circuits
- Living Rooms, Bedrooms, and Dining Areas Requiring Adjustable Light Levels
- Retrofit Projects Upgrading Standard Switches to Dimming Control
- Light Commercial Interior Spaces
- New Construction Wiring Device Packages
Why Leviton?
Leviton has long been a trusted source for wiring devices and lighting controls used by electricians and facility professionals alike. The 6674-P0W slide dimmer continues that tradition by offering a straightforward, dependable way to add dimming control compatible with LED, CFL, and incandescent lighting to any qualifying circuit. Choosing Leviton means specifying a device built for consistent, code-compliant performance in everyday electrical work.
Manufacturer Resources
Product Specs
- list_batch:
- LEV-20260924
- Product Type:
- Dimmer Switch
- Configuration:
- Slide Dimmer
- Department:
- Electrical
- Product Subgroup:
- Dimmer Switches
- Product Group:
- Wiring Devices
Leviton 6674-P0W – Frequently Asked Questions
1) Will the Leviton 6674-P0W dim LED and CFL bulbs, or is it incandescent only?
The 6674-P0W handles all three. It is built as an LED/CFL/incandescent slide dimmer, so dimmable LED lamps, dimmable CFLs, and standard incandescent loads all run off the same device. That is the point of it for a contractor stocking one dimmer instead of separate models per lamp type.
2) Can I swap a plain single-pole wall switch for the Leviton 6674-P0W slide dimmer?
Yes, replacing an existing single-pole switch is one of the uses Leviton calls out for the 6674-P0W. It is a retrofit-friendly wall dimmer for interior lighting circuits, so the common job is pulling the old toggle and putting the slide dimmer in the same single-gang box.
3) I need a dimmer that works from two locations on a staircase. Is this the right one?
For a three-way application, look at the Pass & Seymour TSDCL303P toggle slide dimmer, which is listed as single pole/3-way, CFL/LED, 300W. A three-way setup needs a dimmer rated for it plus a companion switch, so match the device to the circuit before you buy.
4) What is the closest equivalent to the Leviton 6674-P0W slide dimmer from another brand?
The Pass & Seymour TSDCL303P is the nearest match in control style and lamp compatibility. It is a toggle slide dimmer rated for CFL and LED loads, wired single pole or 3-way, at 300W. The Leviton 6674-P0W is also a slide-action dimmer and adds incandescent to its CFL and LED compatibility. The Pass & Seymour unit is identified as spec grade, and it pairs its slide with a toggle so the light can be switched off at the toggle while the slide holds the brightness setting.
5) I need a dimmer on a 3-way circuit instead of a single-pole slide dimmer. What should I use?
For a 3-way opening, the Pass & Seymour TSDCL303P is the option to specify. It is a toggle slide dimmer for CFL and LED loads rated 300W and wired either single pole or 3-way, so one device covers both circuit configurations when two switch locations control the same fixture. The Leviton 6674-P0W slide dimmer is described for replacing an existing single-pole switch.
6) I need a spec grade dimmer for a commercial job. Does the Leviton 6674-P0W qualify, or should I look at something else?
The Pass & Seymour TSDCL303P is identified as spec grade and is a toggle slide dimmer for CFL and LED at 300W, single pole or 3-way, which is the one to put on a drawing that calls out spec grade explicitly. The Leviton 6674-P0W slide dimmer is described for residential and light commercial interior spaces and for new construction wiring device packages, so it fits light commercial work where the submittal does not name a grade.
7) What is the exact part number and brand I should order for an LED/CFL slide dimmer in white?
Leviton 6674-P0W. That is the manufacturer part number for the white LED/CFL/incandescent slide dimmer, and it is the single model offered under that designation.
8) Slide dimmer or rotary dimmer, which should I pick for a bedroom or dining room?
A slide gives you a visible, repeatable position on a track, which is why the 6674-P0W suits rooms where light levels change through the day. A rotary knob is a smaller footprint and some users prefer the feel of it; the Pass & Seymour Rotary R Series preset dimmer is the rotary alternative. Preset types, like the Eaton DUL06P universal decorator dimmer with preset, return to your last level when switched on rather than needing the control re-set.
9) Do I need a different dimmer for each lamp type if a building has mixed LED and incandescent fixtures?
No. The 6674-P0W consolidates LED, CFL and incandescent dimming into one device, which is why property managers and electrical contractors standardize on it instead of carrying separate dimmer SKUs per lamp technology. One part number covers the mixed-lamp openings.
10) What is the difference between a slide dimmer like the Leviton 6674-P0W and a rotary dimmer?
The Leviton 6674-P0W uses a slide-action control, where brightness is set by moving a slider along a travel path with tactile feedback at each level. The Pass & Seymour R Series R600-PWV is a rotary preset dimmer in white rated 660W, which sets level with a turned knob and returns to a preset level. Property managers replacing devices across a unit should note the difference is visible at the wall plate, so mixing the two styles on adjacent gangs will not look uniform.
11) Is the Eaton DUL06P-C2-KB-L a substitute for the Leviton 6674-P0W?
They serve the same function but differ in form. The Eaton DUL06P-C2-KB-L is a universal decorator dimmer with preset from the DUL06P series, supplied with white, ivory and light almond color change kits so the installer can match existing devices on the job. The Leviton 6674-P0W is a slide dimmer handling LED, CFL and incandescent loads. If the specification calls for a decorator paddle face, the Eaton matches that look; if it calls for an exposed slide control, the Leviton does.
12) Which of these dimmers handles the largest incandescent load?
Among the comparable dimmers, the Pass & Seymour R600-PWV rotary preset dimmer is rated 660W, and the Pass & Seymour TSDCL303P toggle slide dimmer is rated 300W for CFL and LED. The Leviton 6674-P0W is specified for LED, CFL and incandescent lamp types. Total the wattage of the fixtures on the circuit before choosing, since a heavily loaded incandescent run will drive the selection more than the control style will.
13) My tenants keep changing the brightness. Is there a dimmer that returns to a set level?
Both the Pass & Seymour R600-PWV, a rotary preset dimmer in white rated 660W, and the Eaton DUL06P-C2-KB-L universal decorator dimmer with preset are preset-type controls, which hold a level so the lighting comes back on at the same brightness. The Leviton 6674-P0W slide dimmer instead gives direct tactile control over the brightness level at the slider, which is what you want where occupants should set the level themselves through the day.
14) I need to match ivory and light almond devices already in the building. Which dimmer covers that?
The Eaton DUL06P-C2-KB-L is supplied for white, ivory and light almond, so a single part number can be finished to match existing devices across a building with mixed color schemes. The Leviton 6674-P0W is the white 6674 slide dimmer, which is the one to order where the existing devices are white.
15) Is the Leviton 6674-P0W suitable for commercial spaces or just houses?
Both residential and light commercial interiors. Leviton positions it for living rooms, bedrooms and dining areas, retrofit switch upgrades, light commercial interior spaces, and new construction wiring device packages. For heavier commercial specification work, a spec grade device such as the Pass & Seymour TSDCL303P is the other direction to look.
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