Model GL20

20A Blank Face GFCI Module

20A, 125V blank-face self-test GFCI with back and side wiring and a self-grounding clip.

Available finishes

Key specifications

Rating
20A, 125V
Configuration
Blank face
Variant
Blank face
Application
Residential & Commercial Grade

Model-specific certification documentation review required

Technical specifications.

Key values first, with the complete specification grouped below for faster review.

Rating
20A, 125V
Configuration
Blank Face (Dead Face)
Trip level
4–6 mA · <25 ms
Wiring
Side wire & back wire
Certification
Documentation review required

Complete model specification

Electrical performance

5 details
Amperage
20A
Rated voltage
125V AC
Working voltage
102–132V AC
Trip level
4–6 mA · <25 ms
Operating temperature
-35°C to 66°C (-30°F to 150°F)

Installation & configuration

7 details
NEMA configuration
Blank Face (Dead Face)
Wiring method
Side wire & back wire
Wire gauge
#12–#14 AWG copper wire
Pole & wire
2-pole, 3-wire
Grounding
Self-grounding
Face dimensions
4.53 in (115 mm) × 2.75 in (70 mm)
Body depth
1.56 in (39.7 mm)

Compliance & application

7 details
Item code
GL20
Certification
Documentation review required
Standard
UL 943 / UL 498 / UL 1998
Application grade
Residential & Commercial Grade
Tamper-resistant
No
Weather-resistant
No
Usage
Indoor only

Materials & construction

6 details
Face & body
Thermoplastic
Current-carrying components
0.8 mm high-precision phosphor bronze
Mounting yoke
1.2 mm galvanized steel
Contacts
Silver-alloy contacts
Circuit protection
Coated PCB with MCU protection for critical components
Flammability
UL 94 V-1

Quality & durability

8 details
Initial self-test
Within 3 seconds after power-up
Full-load temperature rise
Below 20K / 33K
Terminal screw torque
Over 2 N·m
Indicator system
Green / red dual LED · stated service life >5 years
Factory inspection
100% automated inspection · stated qualified rate 99.99%
Trip response
4–6 mA · <25 ms
Patent protection
China & USA
Warranty
3 years

Protection,clearly documented.

20A, 125V blank-face self-test GFCI with back and side wiring and a self-grounding clip.

Representative installationGL20 installed application

Product features

04 documented details
  1. Blank face
  2. Self-test every 15 min
  3. Reverse-wiring lockout
  4. Dual-colour status indicator for power and protection state

Designed for the environments in the specification.

Residential & Commercial Grade

20A, 125V blank-face self-test GFCI with back and side wiring and a self-grounding clip.

Confirm the intended location, enclosure and applicable code requirements before specifying a model.

Review your application
GL20 representative application setting

Configure the product around your program.

Align the visible finish and approved program materials around a reviewed product specification.

Retail packaging references

7 standard presentations
GL20 White standard retail packaging
White
GL20 Black standard retail packaging
Black
GL20 Grey standard retail packaging
Grey
GL20 Graphite standard retail packaging
Graphite
GL20 Ivory standard retail packaging
Ivory
GL20 Light Almond standard retail packaging
Light Almond
GL20 Brown standard retail packaging
Brown

Packaging & program options.

Review the visible wall-plate style separately from box format and shipment quantity.

Wall plate options

Coordinate the plate style with the selected finish.

GL20 with standard screw wall plate and retail box
Standard screw plateVisible fastening · classic presentation
GL20 with screwless wall plate and retail box
Screwless plateClean face · concealed fastening

Packaging programs

3 approved configurations

ProgramRetail presentationWall plateInner boxCarton
Package AColor retail boxIncluded10 pcs50 pcs
Package BBlank white boxIncluded10 pcs50 pcs
Package CColor retail boxNot included10 pcs100 pcs

Customer-branded packaging is available after the registered trademark and brand authorization documents are reviewed.

Discuss GL20 configuration

Wiring and dimensions.

A clear field reference for terminal identification, installation sequence and the three dimensions that matter before specification.

Connection guide

Wire by terminal, not by position.

GL20 rear terminal view
Rear terminal view · confirm molded LINE and LOAD markings on the device.
Neutral White conductor
Silver screw
Hot Black conductor
Brass screw
Ground Copper or green conductor
Green screw

Use the device’s LINE and LOAD markings to identify the corresponding terminals before inserting any conductor.

  1. 01IdentifyConfirm supply, load and ground conductors.
  2. 02SecureInsert wires through the terminal holes and tighten clockwise.
  3. 03VerifyPress RESET and confirm the green LED indicator turns on.

Dimensional profile

Three views. Three critical dimensions.

GL20 installed front view
Plate
GL20 device front view
Front
GL20 device side views
Side
Overall height
4.53 in (115 mm)
Plate width
2.75 in (70 mm)
Body depth
1.56 in (39.7 mm)

Reference dimensions only. Verify enclosure depth and applicable installation requirements before release.

Documentation review for GL20.

Certification status requires model-specific documentation review before specification or purchase.

Manufacturing evidence.

Factory photographs from FAHINT. Test requirements and documentation are confirmed for the selected model.

FAHINT staff working at wiring-device assembly benches
Component assembly
FAHINT staff operating GFCI functional testing stations
GFCI functional testing
FAHINT laboratory with test benches and a temperature and humidity chamber
Laboratory verification

Request a quotation for GL20.

Share the intended application, target finish and documentation needs so the team can review the product brief.

Use the full contact page

Before you order GL20

  • Configuration. Confirm the face rating, TR / WR or blank-face configuration, and required model documents.
  • Order breakdown. List quantities by finish, wallplate and packaging option, with the destination and requested timing.
  • Documentation. GL20 documentation remains under review. Request the exact model listing record before specifying it.

Sample arrangements, minimum quantities and lead times are confirmed in your quotation. Approve the sample and any authorized artwork before the order.

Send a product brief.

Selected product

GL20 · Finish: Not specified

Your details will be sent to our inquiry service so we can respond to your request. You can also email us directly or use WhatsApp.

Emaillouis@fahint.com