MarketsCastingsStampingSourcing SolutionsAbout UsWhy Sigma
Electrical
Electrical

An extensive range of robust fittings and weatherproof products.

Automotive
Automotive

Connectivity solutions such as high brackets, busbars, and connector pins.

Power Transmission & Distribution
Power Transmission & Distribution

Connectors & structural components for cutouts, transformers, & substations.

Aerospace
Aerospace

Complex sensor housings & fracture-critical products.

Appliances
Appliances

Robust castings and assemblies for everyday appliances.

Commercial Hardware
Commercial Hardware

Finished components for commercial & residential hardware applications.

Electronics & Telecom
Electronics & Telecom

Precision metal stamped sensors, connectors and cast housings & covers.

Fluid Power
Fluid Power

Durable, precision products for high-pressure applications.

Food & Beverage
Food & Beverage

Handles, leveling pins, flow valves & button housings.

Lighting
Lighting

Custom housings to fully assembled commercial & industrial light fixtures.

Marine
Marine

Durable corrosion-resistant engineered castings and subassemblies.

Medical & Dental
Medical & Dental

Medical-grade parts for implants, housings, manifolds, and pumps.

Oil & Gas
Oil & Gas

Custom housings and covers for flow control, pressure valves & meters.

Power Tools
Power Tools

Durable yet lightweight custom metal housings.

Solar
Solar

Innovative precision metal stamped parts.

High Pressure Die Casting
High Pressure Die Casting

High-pressure liquid metal is pressed into a precision metal mold cavity, and then cooled & solidified under pressure.

Ideal for a wide range of applications, including automotive, agricultural, electronics, and medical.

Sand Casting
Sand Casting

Castings with complex shapes & inner cavities that are produced in a sand mold

Ideal for parts with complex shapes and inner cavities

Gravity Die Casting
Gravity Die Casting

A mold is filled with liquid metal using gravity and cooled and solidified in the mold to obtain a casting

Ideal for parts with complex shapes made with steel, aluminum or magnesium alloys

Investment Casting
Investment Casting

A process used to obtain a mold without a parting surface; creates parts with high dimensional & geometric accuracy

Ideal for near-net shaped parts with complex shapes and high precision requirements

Partner Services
Partner Services

Custom Tooling, Machining, Surface Finishing, Special Purpose Machine Design & Development

Precision Metal Stamping
Precision Metal Stamping

More than 80 presses convert metal sheets into custom parts

Ideal for parts for electronic connectors and microprocessor chips

Swiss Screw Machining
Swiss Screw Machining

A specialized CNC machine capable of producing extremely small, precise parts

Ideal for complex miniature screws, contact pins & micro-fasteners

Partner Services
Partner Services

Rapid Prototypes, Heat Treating, Automated Assembly

Company History
Company History

Learn more about our company milestones.

Plant Locations
Plant Locations

Learn more about our global manufacturing facilities.

Company News
Company News

See our company announcements and press releases.

Contact Us
Contact Us

Let us know how we can help create a solution for you

Resources
Resources

Download catalogs and key product guides.

Global Code of Conduct
Global Code of Conduct

Download our Code of Conduct and report violations.

Innovation at Sigma
Innovation at Sigma

Purposeful innovation – the continual improvement and innovation of custom-designed and precision-made products and solutions.

Engineered Solutions
Engineered Solutions

Sigma offers solutions for complex product characteristics and technical requirements.

Global Supply Chain Management
Global Supply Chain Management

U.S.-based supply chain management teams support our customers.

Partner Services
Partner Services

Sigma is a vertically integrated single-source solution provider.

Sustainability at Sigma
Sustainability at Sigma

Our commitment to excellence drives us to build a better, more sustainable future in all aspects of our operations.

Safety at Sigma
Safety at Sigma

Safety is more than just a priority at Sigma Engineered Solutions – it’s a core value.

Product Type: Lampholder

< Products

Contemporary Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • 5-1/2″ Hood
  • Available in bulk or custom shrink wrapped packaging
Color
Color Model Number
Bronze WPH5A0
Black WPH5B0
Gray WPH5G0
White WPH5W0
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Architectural Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • Available in bulk or custom shrink wrapped packaging
Color
Color Model Number
Bronze WPH4A1
Gray WPH4G1
White WPH4W0
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Contemporary Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • Available in bulk or custom shrink wrapped packaging
Color
Color Model Number
Bronze WPH3A0
Black WPH3B0
Gray WPH3G0
White WPH3W0
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Lampholder with Gasket

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
White WPH1WK1
UL: E195204
CSA: LR57925
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Lampholder

Material: Non-Metallic
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

Lampholders are used in conjunction with weatherproof boxes and covers for outdoor lighting applications.

  • Fits 1/2″ knockouts
  • Adjustable
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes lampholder and gasket
Color
Color Model Number
Gray WPH1PG1
White WPH1PW1
AB
2.143.69
cULus: E163827
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Lampholder with Gasket

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Gray WPH1GK1
UL: E195204
CSA: LR57925
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Lampholder with Gasket

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Rugged, seamless die-cast construction
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Long wire leads for ease of installation
  • Preinstalled porcelain socket and interior gasket
  • Includes 1/2″ locknut and installation instructions
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Bronze WPH1AK1
UL: E195204
CSA: LR57925
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

Lampholders are used in conjunction with weatherproof boxes and covers for outdoor lighting applications.,For outdoor lighting applications, may be installed with weatherproof boxes or cluster covers

  • Fits 1/2″ knockouts,Rugged, seamless die-cast construction
  • Adjustable,Powder coated for maximum corrosion resistance
  • 150-Watt (max.) PAR38 bulb required (not included),Locking swivel knuckle provides maximum stability and accurate light positioning
  • Includes lampholder and gasket,Long wire leads for ease of installation
  • ,Preinstalled porcelain socket and interior gasket
  • ,Includes 1/2″ locknut and installation instructions
  • ,Available in bulk or custom shrink wrapped packaging
Color
Color Model Number
Bronze WPH1A1
Black WPH1B1
Gray WPH1G1
Unpainted WPH1U0
White WPH1W1
AB
2.093.57
UL: E195204
CSA: LR57925
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Spike-A-Lite® Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): LampholderSpike Light

Spike-A-Lite® lampholders are used for outdoor lighting applications. Preassembled with a ground stake for direct ground installation.

  • Plug-in floodlight
  • 9″ cord
  • Adjustable
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes lampholder with preassembled ground stake and gasket, 9 in. cord with grounded outlet plug
Color Model Number
Bronze SL2A
AB
2.093.57
cULus: E237292
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Spike-A-Lite® Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): LampholderSpike Light

Simplified installation of ground level outdoor lighting

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Powder coated for maximum corrosion resistance
  • Locking swivel knuckle provides maximum stability and accurate light positioning
  • Includes installation instructions
  • Available in bulk or custom packaging
Color
Color Model Number
Bronze SL1A
Black SL1B
Green SL1E
Gray SL1G
cULus: E237292
Standards: UL 153, CSA C22.2 No. 250.4
< Products

Lampholder Gasket

Material: Rubber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

Lampholder gaskets are used in conjunction with lampholders for weatherproof installation of bulbs.

Color Model Number
Black LHG2
A
2.3
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Lampholder Gasket

Material: Fiber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

For use with weatherproof boxes, covers and kits

  • Low density cellulose base fiber
Color Model Number
Black LHG1
< Products

Kit of Round Box, Cover & Photo Eye

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholderPhotoelectric Switch

Round cover and lampholder kits, Photoelectric switch are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Gray ABE712G3
White ABE712W3
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Kit of Rectangular Box Cover & Photo Eye

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholderPhotoelectric Switch

Rectangular cover and lampholder kits, Photoelectric switch are used in conjunction with a rectangular weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze ABE312A3
Black ABE312B0
Gray ABE312G3
White ABE312W3
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Two Lamp Round Box Kit Contemporary

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholder

Round cover and lampholder kits are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze AB932A1
Black AB932B0
Gray AB932G1
White AB932W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Metal Light Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholder

Metal light kits are for outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • (2) 150-Watt (max.) PAR38 bulbs required (not included)
  • Includes round box with five 1/2″ holes, round cover with three 1/2″ holes, (2) lampholders, closure plugs, gaskets and hardware
Color
Color Model Number
Bronze AB912A1
Black AB912B3
Gray AB912G1
Oil Rubbed Bronze AB912O1
White AB912W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Kit of Rectangular Box, Cover & Three Lampholders

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholder

Rectangular cover and lampholder kits are used in conjunction with a rectangular weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze AB213A1
White AB213W1
ABCVolume
888887777766666655555
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Kit of Rectangular Box, Cover & Two Lampholders

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholder

Rectangular cover and lampholder kits are used in conjunction with a rectangular weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze AB212A3
Black AB212B3
Gray AB212G1
White AB212W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Round Cover and Two Lampholders Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Round cover and lampholder kits are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • (2) 150-Watt (max.) PAR38 bulbs required (not included)
  • Includes three 1/2″ hole round cover, (2) lampholders, closure plug, gaskets and hardware
Color
Color Model Number
Bronze A912A1
Black A912B2
Gray A912G1
White A912W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Round Cover and Lampholder Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Round cover and lampholder kits are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes one 1/2″ hole round cover, (1) lampholder, gaskets and hardware
Color
Color Model Number
Bronze A911A1
Black A911B2
Gray A911G1
White A911W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Swivel Light Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Round cover and lampholder kits are used in conjunction with a swivel plate in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze A812A0
Black A812B0
Gray A812G0
White A812W0
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Kit of Three Hole Rectangular Cover & Two Lampholders

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Rectangular cover and lampholder kits are used in conjunction with a rectangular weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze A212A1
Gray A212G1
White A212W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Kit of One Hole Rectangular Cover & One Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Rectangular cover and lampholder kits are used in conjunction with a rectangular weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
Color
Color Model Number
Bronze A211A1
Gray A211G1
White A211W1
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
< Products

Lampholder

Material: Non-Metallic
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

Lampholders are used in conjunction with weatherproof boxes and covers for outdoor lighting applications.

  • Fits 1/2″ knockouts
  • Adjustable
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes lampholder and gasket
Color
Color Model Number Master Pack Quantity UPC
Gray 14360 20 031857143602
White 14360WH 20 031857643607
AB
2.143.69
cULus: E163827
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): Lampholder

Lampholders are used in conjunction with weatherproof boxes and covers for outdoor lighting applications.

  • Fits 1/2″ knockouts
  • Adjustable
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes lampholder and gasket
Color
Color Model Number Master Pack Quantity UPC
Bronze 14330BR 20 031857343309
Gray 14330 20 031857143305
White 14330WH 20 031857643300
AB
2.093.57
UL: E195204
CSA: LR57925
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Spike-A-Lite® Lampholder

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Lighting
Type(s): LampholderSpike Light

Spike-A-Lite® lampholders are used for outdoor lighting applications. Preassembled with a ground stake for direct ground installation.

  • Plug-in floodlight
  • 9″ cord
  • Adjustable
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes lampholder with preassembled ground stake and gasket, 9 in. cord with grounded outlet plug
Color Model Number Master Pack Quantity UPC
Bronze 14792GN 6 031857947927
AB
2.093.57
cULus: E237292
Standards: UL 153, CSA C22.2 No. 12-1982
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Lampholder Gasket

Material: Rubber
Category: Weatherproof
Sub Category: Accessories
Type(s): GasketLampholder

Lampholder gaskets are used in conjunction with lampholders for weatherproof installation of bulbs.

Color Model Number Master Pack Quantity UPC
Black 14004 25 031857140045
A
2.3
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Metal Light Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): BoxCoverLampholder

Metal light kits are for outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • (2) 150-Watt (max.) PAR38 bulbs required (not included)
  • Includes round box with five 1/2″ holes, round cover with three 1/2″ holes, (2) lampholders, closure plugs, gaskets and hardware
Color
Color Model Number Master Pack Quantity UPC
Bronze 16797 3 031857367978
Gray 16795 3 031857167950
White 16795WH 3 031857667955
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Round Cover and Two Lampholders Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Round cover and lampholder kits are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • (2) 150-Watt (max.) PAR38 bulbs required (not included)
  • Includes three 1/2″ hole round cover, (2) lampholders, closure plug, gaskets and hardware
Color
Color Model Number Master Pack Quantity UPC
Bronze 14782BR 10 031857347826
Gray 14782 10 031857147822
White 14782WH 10 031857647827
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.

< Products

Round Cover and Lampholder Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: KitLighting
Type(s): CoverLampholder

Round cover and lampholder kits are used in conjunction with a 4″ round weatherproof box in outdoor security or aesthetic lighting applications.

  • Adjustable lampholder
  • 150-Watt (max.) PAR38 bulb required (not included)
  • Includes one 1/2″ hole round cover, (1) lampholder, gaskets and hardware
Color
Color Model Number Master Pack Quantity UPC
Bronze 14780BR 12 031857347802
Gray 14780 12 031857147808
White 14780WH 12 031857647803
cULus: E195204
Standards: UL 1598, CSA C22.2 No. 250.0-08
65!

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.