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.

< Products

Two-Gang Multi-Use Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): 1.410" RoundDuplexGFCI

Two-gang multi-use receptacle covers are used to provide weatherproof protection for two outdoor receptacles.

  • 6 configurations
  • Each side is adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • Lockable
  • Includes adaptor plates, gasket and hardware
Color Model Number
Bronze MC2MMA1
Gray MC2MMG1
White MC2MMW1
AB
4.584.65
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

Two-Gang Multi-Use Switch and GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCISwitch

May be used to provide weatherproof protection for an outdoor receptacle

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Self-closing lids provide weatherproof assurance when the receptacle is not in use
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
White MC252G1
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

One-Gang Universal Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): DuplexGFCIRoundUniversal
Feature(s): HorizontalVertical

One-gang universal receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 6 configurations
  • Adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal installation
  • Lockable
  • Includes adaptor plates, gasket and hardware
Color Model Number
Bronze MC1M3A1
Gray MC1M3G1
White MC1M3W1
AB
4.572.81
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Horizontal Multi-Use Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): 1.410" RoundDuplexGFCIMulti-Use
Feature(s): Horizontal

One-gang multi-use receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 3 configurations
  • Adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For horizontal installation
  • Includes adaptor plates, gasket and hardware
Color Model Number
Bronze MC1M2A1
Gray MC1M2G1
White MC1M2W1
AB
4.632.83
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Vertical Multi-Use Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): 1.410" RoundDuplexGFCI
Feature(s): Vertical

One-gang multi-use receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 3 configurations
  • Adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For vertical installation
  • Includes adaptor plates, gasket and hardware
Color Model Number
Bronze MC1M1A1
Gray MC1M1G1
White MC1M1W1
AB
4.632.83
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

Kit of Rectangular Box, Cover & GFCI Receptacle

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIUniversal
Feature(s): HorizontalVertical

Box, Horizontal GFCI cover and receptacle kits are used to provide weatherproof protection for the included outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For horizontal / vertical mounting
Color Model Number
Bronze FB122RUA3
Gray FB122RUG3
White FB122RUW3
cULus: E324138

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

One-Gang Universal GFCI Receptacle Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIUniversal
Feature(s): HorizontalVertical

One-gang universal GFCI receptacle kits are used to provide weatherproof protection for the included outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal mounting with the universal cover’s corner hinge
  • 15-Amp tamper-resistant, weather-resistant GFCI receptacle included
  • Includes one-gang metal box with three 1/2″ holes, one-gang universal cover, TRWR GFCI receptacle, closure plugs, gasket and hardware
Color Model Number
Bronze FB122RA3
Black FB122RB3
Gray FB122RG3
White FB122RW3
AB
4.572.83
cULus: E324138

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

Two-Gang GFCI Receptacle and Toggle Switch Cover

Material: Non-Metallic
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCISwitch

GFCI and toggle switch combination covers are used to provide weatherproof protection for one GFCI outdoor receptacle and one outdoor switch.

  • Suitable for wet locations when the covers are closed
  • Lockable receptacle cover
  • Includes gasket and hardware
Color Model Number
Gray C242PG1
White C242PW1
AB
4.844.84
cULus: E332841

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

Two-Gang GFCI Receptacle and Toggle Switch Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCISwitch

May be used to provide weatherproof protection for an outdoor receptacle

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Self-closing lids provide weatherproof assurance when the receptacle is not in use
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Gray C242G1
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Two-Gang GFCI and Single Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): 1.417" RoundGFCI

May be used to provide weatherproof protection for an outdoor receptacle

  • Rugged, seamless die-cast construction prevents moisture penetration
  • Self-closing lids provide weatherproof assurance when the receptacle is not in use
  • Powder coated for maximum corrosion resistance
  • Includes installation hardware and gasket
  • Available in bulk or custom shrink wrapped packaging
Color Model Number
Gray C232G1
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Two-Gang GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCI

GFCI receptacle covers are used to provide weatherproof protection for two outdoor GFCI receptacles.

  • Suitable for wet locations when the covers are closed
  • Includes gasket and hardware
Color Model Number
Bronze C222A1
Gray C222G1
White C222W1
AB
4.544.54
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Two-Gang Duplex and GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): DuplexGFCI

Duplex and GFCI receptacle combination covers are used to provide weatherproof protection for one duplex and one GFCI outdoor receptacle.

  • Suitable for wet locations when the covers are closed
  • Includes gasket and hardware
Color Model Number
Bronze C221A1
Gray C221G1
White C221W1
AB
4.544.54
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

One-Gang Universal Receptacle Cover

Material: Non-Metallic
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): DuplexGFCIRoundUniversal
Feature(s): HorizontalVertical

One-gang universal receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 6 configurations
  • Adaptable for GFCI, duplex and 1-3/8″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal installation
  • Lockable
  • Includes adaptor plates, gasket and hardware
Color Model Number
Gray C1M3PG1
White C1M3PW1
AB
4.763.01
cULus: E332841

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Horizontal GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): GFCI
Feature(s): Horizontal

Horizontal GFCI covers are used to provide weatherproof protection for an outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For horizontal installation
  • Includes gasket and hardware
Color Model Number
Bronze C122A1
Black C122B1
Gray C122G1
White C122W1
AB
4.572.83
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Vertical GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): GFCI
Feature(s): Vertical

Vertical GFCI covers are used to provide weatherproof protection for an outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For vertical installation
  • Includes gasket and hardware
Color Model Number
Bronze C121A1
Black C121B1
Gray C121G1
White C121W1
AB
4.572.83
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang While-In-Use GFCI Receptacle Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIWhile-In-Use
Feature(s): Extra Duty RatedHorizontalVertical

One-gang in-use receptacle kits allow an outlet to be utilized while the cover is closed in wet, damp or dry locations.

  • For vertical or horizontal mounting with the corner hinge
  • 15-Amp tamper-resistant, weather-resistant GFCI receptacle included
  • 3-1/8″ deep
  • Lockable
  • Meets NEMA 3R and NEC’s 2020 “Extra Duty” Requirement
  • Includes one-gang metal box with three 1/2″ holes, one-gang while-in-use cover, TRWR GFCI receptacle, closure plugs, pre-installed gasket and hardware
Color Model Number Master Pack Quantity UPC
Gray 16802 4 031857168025
AB
4.543.66
cULus: E324138
cCSAus: 174008

Standards: UL 514D, CSA C22.2 No. 42.1-13
NEMA: NEMA 3R
Other: NEC 2020 Extra Duty
65!

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

< Products

One-Gang While-In-Use GFCI Receptacle Kit

Material: Non-Metallic
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIWhile-In-Use
Feature(s): Extra Duty RatedHorizontalVertical

One-gang in-use receptacle kits allow an outlet to be utilized while the cover is closed in wet, damp or dry locations.

  • For vertical or horizontal mounting with the corner hinge
  • 15-Amp tamper-resistant, weather-resistant GFCI receptacle included
  • 2-1/4″ deep
  • Lockable
  • Meets NEMA 3R and NEC’s 2020 “Extra Duty” Requirement
  • Includes one-gang metal box with three 1/2″ holes, one-gang while-in-use cover, TRWR GFCI receptacle, closure plugs, pre-installed gasket and hardware
Color Model Number Master Pack Quantity UPC
Clear 16801 4 031857168018
White 16801WH 4 031857668013
ABC
5.984.024.65
cULus: E324138
cCSAus: 174008

Standards: UL 514D, CSA C22.2 No. 42.1-13
NEMA: NEMA 3R
Other: NEC 2020 Extra Duty
65!

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

< Products

One-Gang Universal Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): DuplexGFCIRoundUniversal
Feature(s): HorizontalVertical

One-gang universal receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 6 configurations
  • Adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal installation
  • Lockable
  • Includes adaptor plates, gasket and hardware
Color Model Number Master Pack Quantity UPC
Bronze 14147BR 12 031857341473
Gray 14147 12 031857141479
White 14147WH 12 031857641474
AB
4.572.81
cULus: E121488

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Universal GFCI Receptacle Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIUniversal
Feature(s): HorizontalVertical

One-gang universal GFCI receptacle kits are used to provide weatherproof protection for the included outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal mounting with the universal cover’s corner hinge
  • 15-Amp tamper-resistant, weather-resistant GFCI receptacle included
  • Includes one-gang metal box with three 1/2″ holes, one-gang universal cover, TRWR GFCI receptacle, closure plugs, gasket and hardware
Color Model Number Master Pack Quantity UPC
Oil Rubbed Bronze 16449ORB 6 031857374495
cULus: E324138

Standards: UL 514D, CSA C22.2 No. 42.1-13
NEMA: NEMA 3R
65!

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

< Products

One-Gang Universal GFCI Receptacle Kit

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: BoxCoverKit
Type(s): 1-Gang
Connection Type(s): GFCIUniversal
Feature(s): HorizontalVertical

One-gang universal GFCI receptacle kits are used to provide weatherproof protection for the included outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal mounting with the universal cover’s corner hinge
  • 15-Amp tamper-resistant, weather-resistant GFCI receptacle included
  • Includes one-gang metal box with three 1/2″ holes, one-gang universal cover, TRWR GFCI receptacle, closure plugs, gasket and hardware
Color Model Number Master Pack Quantity UPC
Bronze 16449BR 6 031857364496
Gray 16449 6 031857164492
White 16449WH 6 031857664497
AB
4.572.83
cULus: E324138

Standards: UL 514D, CSA C22.2 No. 42.1-13
NEMA: NEMA 3R
65!

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

< Products

Two-Gang GFCI Receptacle and Toggle Switch Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCISwitch

GFCI and toggle switch combination covers are used to provide weatherproof protection for one GFCI outdoor receptacle and one outdoor switch.

  • Suitable for wet locations when the covers are closed
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Gray 14344 8 031857143442
AB
4.844.84
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Two-Gang GFCI Receptacle and Toggle Switch Cover

Material: Non-Metallic
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCISwitch

GFCI and toggle switch combination covers are used to provide weatherproof protection for one GFCI outdoor receptacle and one outdoor switch.

  • Suitable for wet locations when the covers are closed
  • Lockable receptacle cover
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Gray 14326 8 031857143268
White 14326WH 8 031857643263
AB
4.844.84
cULus: E332841

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

Two-Gang GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): GFCI

GFCI receptacle covers are used to provide weatherproof protection for two outdoor GFCI receptacles.

  • Suitable for wet locations when the covers are closed
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Gray 14348 8 031857143480
AB
4.544.54
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

Two-Gang Duplex and GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 2-Gang
Connection Type(s): DuplexGFCI

Duplex and GFCI receptacle combination covers are used to provide weatherproof protection for one duplex and one GFCI outdoor receptacle.

  • Suitable for wet locations when the covers are closed
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Bronze 14347BR 8 031857343477
Gray 14347 8 031857143473
White 14347WH 8 031857643478
AB
4.544.54
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
< Products

One-Gang Universal Receptacle Cover

Material: Non-Metallic
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): DuplexGFCIRoundUniversal
Feature(s): HorizontalVertical

One-gang universal receptacle covers are used to provide weatherproof protection for an outdoor receptacle.

  • 6 configurations
  • Adaptable for GFCI, duplex and 1.41″ round receptacles
  • Suitable for wet locations when the covers are closed
  • For vertical or horizontal installation
  • Lockable
  • Includes adaptor plates, gasket and hardware
Color Model Number Master Pack Quantity UPC
Gray 14140 12 031857141400
White 14140WH 12 031857641405
AB
4.763.01
cULus: E332841

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Vertical GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): GFCI
Feature(s): Vertical

Vertical GFCI covers are used to provide weatherproof protection for an outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For vertical installation
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Bronze 14248BR 10 031857342487
Gray 14248 20 031857142483
White 14248WH 10 031857642488
AB
4.572.83
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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

< Products

One-Gang Horizontal GFCI Receptacle Cover

Material: Metal Die-Cast
Category: Weatherproof
Sub Category: Cover
Type(s): 1-Gang
Connection Type(s): GFCI
Feature(s): Horizontal

Horizontal GFCI covers are used to provide weatherproof protection for an outdoor GFCI receptacle.

  • Suitable for wet locations when the covers are closed
  • For horizontal installation
  • Includes gasket and hardware
Color Model Number Master Pack Quantity UPC
Bronze 14249BR 10 031857342494
Gray 14249 20 031857142490
White 14249WH 10 031857642495
AB
4.572.83
UL: E121488
CSA: LR57925

Standards: UL 514D, CSA C22.2 No. 42.1-13
65!

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