MarketsCastingsConnectivityAbout UsWhy Sigma
Electrical

An extensive range of robust fittings and weatherproof products.

Automotive

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

Power Transmission & Distribution

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

Aerospace

Complex sensor housings & fracture-critical products.

Appliances

Robust castings and assemblies for everyday appliances.

Commercial Hardware

Finished components for commercial & residential hardware applications.

Electronics & Telecom

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

Fluid Power

Durable, precision products for high-pressure applications.

Food & Beverage

Handles, leveling pins, flow valves & button housings.

Lighting

Custom housings to fully assembled commercial & industrial light fixtures.

Marine

Durable corrosion-resistant engineered castings and subassemblies.

Medical & Dental

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

Oil & Gas

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

Power Tools

Durable yet lightweight custom metal housings.

Solar

Innovative precision metal stamped parts.

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

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

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

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

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

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

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

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

Partner Services

Rapid Prototypes, Heat Treating, Automated Assembly

Company History

Learn more about our company milestones.

Plant Locations

Learn more about our global manufacturing facilities.

Company News

See our company announcements and press releases.

Contact Us

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

Resources

Download catalogs and key product guides.

Global Code of Conduct

Download our Code of Conduct and report violations.

Innovation at Sigma

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

Engineered Solutions

Sigma offers solutions for complex product characteristics and technical requirements.

Global Supply Chain Management

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

Partner Services

Sigma is a vertically integrated single-source solution provider.

Product Type: Box

< 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 Round Box, Cover & Two LED

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

Round cover, 4″ round weatherproof box and LED kits are used in outdoor security or aesthetic lighting applications.

  • Adjustable LED
Color
Color Model Number
Bronze AB942A1
Gray AB942G1
White AB942W1
cULus: E470512
Standards: UL 8750, CSA C22.2 No. 250.0-08
< Products

Kit of Round Box, Cover & Two LED

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

Round cover, 4″ round weatherproof box and LED kits are used in outdoor security or aesthetic lighting applications.

  • Tool-free adjustable lamp heads
  • Long-lasting LED
Color
Color Model Number
Bronze AB972A1
Gray AB972G1
White AB972W1
cULus: E195204
Standards: UL 8750, 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

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

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

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

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

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.