Downlights, track, outdoor lighting & controls — delivered UK-wide from our two London showrooms
Build a complete system online — every part worked out and priced, ready for your basket
Pictures
Lotus
from £75.00 ex.VAT
Tracks
Laser Ultra Slim Magnetic Recessed Track 48V
from £6.98 ex.VAT
Accessories
LED Tape Extrusion Profile Accessories
from £0.48 ex.VAT
Extrusions
Krav LED Tape Lighting Extrusion Profile - Glass
from £35.04 ex.VAT
Downlights
Rigel Trimless
from £0.50 ex.VAT
Downlights
Frisbee
from £48.16 ex.VAT
Bulkheads
Gamma
from £119.27 ex.VAT
LED Power Supplies
Dimming LED Drivers
from £43.00 ex.VAT
Strips
FLX Stix NDFree 240V Dimmable
from £16.06 ex.VAT
Cable Accessories
Heat Shrink
from £14.50 ex.VAT
Bulbs
LED Opal
from £9.96 ex.VAT
Accessories
LED Super COB 10W 240V
from £0.20 ex.VAT
Bulbs
LED General Lighting Service
from £6.65 ex.VAT
Downlights
Endurance
from £78.00 ex.VAT
Remotes
Touch Panel Remote & Switches
from £63.08 ex.VAT
Sockets
Flat Plate Horizon Satin Nickel
from £96.16 ex.VAT
The UK's trusted lighting specialist since 1968
Trading since 1968, we have unmatched knowledge of lighting products, technologies and design for every type of project.
Visit us in Wandsworth or Fulham to see lighting live, experience controls, and get hands-on advice from our specialists.
Our design service covers everything from a single room to large commercial installations, with full specification support.
Call us on 020 8874 2234 or email for free guidance — whether you're choosing a single fitting or specifying a full project.
See our full lighting ranges live, experience smart controls in action, and speak to our experts in person. Two London locations open six days a week.
At Mr Resistor, we illuminate your world with innovative and high-quality lighting solutions. Based in London, we have over 58 years of expertise in the lighting industry, offering a comprehensive range of products and services to meet all your lighting needs.
From energy-efficient LED lights to bespoke lighting designs, our team of experts is dedicated to providing exceptional customer service and tailored solutions for residential, commercial, and industrial projects. We also specialise in advanced lighting control systems and a wide array of electrical accessories.
Visit our showrooms in Wandsworth or Fulham, London, to explore our extensive display of downlights, pendants, wall lights, outdoor lighting, and commercial lighting.
LED lighting uses up to 80% less energy than traditional halogen and lasts 25,000–50,000 hours. With warm white options down to 2700K, modern LEDs deliver beautiful, efficient light for every room.
DownlightsChoosing the Right DownlightFixed or adjustable, recessed or surface-mounted — downlights suit most ceiling types. Key considerations include beam angle, colour temperature, and IP rating for bathrooms and outdoor use.
Outdoor LightingGarden & Exterior LightingFrom IP65-rated spike lights to marine-grade coastal fittings, outdoor lighting requires the right weatherproofing for each location. Combine wall lights, uplights, and path lighting for a layered effect.
Smart ControlsWireless Lighting Control SystemsWise Controls and Lutron systems allow full scene setting, dimming, and scheduling without rewiring. Ideal for new builds, extensions, and retrofit projects where flexibility is essential.
Bathroom LightingIP Ratings & Bathroom ZonesBathroom lighting must comply with IP zone requirements. Zone 1 (above the bath/shower) requires IP65 minimum; Zone 2 requires IP44. Always confirm ratings before specifying fittings.
Track LightingTrack & Linear Light SystemsTrack lighting offers flexible, adjustable illumination ideal for kitchens, retail, and galleries. 48V magnetic track systems allow tool-free repositioning of spotlights, pendants, and linear modules.
Colour TemperatureWarm White vs Cool White2700K–3000K (warm white) suits living areas and bedrooms; 3500K–4000K suits kitchens and offices; 5000K+ (daylight) suits task lighting and commercial spaces. Mixing temperatures in one room is rarely advisable.
DimmingDimmer Switches & LED CompatibilityNot all LED drivers are dimmable. Always check compatibility between the lamp, driver, and dimmer switch. Leading-edge dimmers suit most LED loads; trailing-edge dimmers are preferred for very low wattage LED circuits.
Lighting DesignProfessional Lighting Design ServiceOur lighting design service covers residential and commercial projects from initial concept through to full specification. We produce lighting layouts, product schedules, and control strategies tailored to your brief.
