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Iron Ridge | Grounding Lug | Low Profile: IronRidge Grounding Lug, Low Profile (XR-LUG-04-A1), from the maker's parts catalog. Figure from the manufacturer's document, page 17.
Photo 1 of 2. 2 photos · Image from files.ironridge.com
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Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: IronRidge Grounding Lug, Low Profile (XR-LUG-04-A1), from the maker's parts catalog. Figure from the manufacturer's document, page 17. Image source: Iron Ridge | Grounding Lug | Low Profile image published by Signature Solar on its listing for this product. Distributor photo, not a manufacturer-issued image. Paid link.

Iron Ridge | Grounding Lug | Low Profile

By IronRidgeSold by Signature SolarSKU not documented

Connectors
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$8
Price unchanged · 17 checks since Sep 16
$8 at Signature Solar

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ConnectorGrounding lug connecting a row of PV modules to the grounding conductorWire sizeNot statedCurrent ratingNot statedVoltage ratingNot statedEnclosureNot statedCompatible seriesIronRidge XR Rail racking

Key specs

Units
Material
Tin plated aluminum
Official datasheet
Sources

Printed as "TinPlatedAluminum" beside "XR-LUG-04-A1 v1.20" in the text layer of IronRidge's grounding lug cut sheet, captured on September 25, 2026.

Official datasheet: IronRidge Grounding Lug cut sheet (XR-LUG-04-A1, v1.20) Rev v1.20 · Checked · Earlier document

Location: Cut sheet title block

Documented

Grounding (manual)
One grounding lug (rail or module) per continuous subarray; one solid or stranded copper wire, 14-4 AWG
Official instruction manual
Sources

Printed as "Only one Grounding Lug (Rail or Module) required per continuous subarray, regardless of subarray size" in IronRidge's XR Flush Mount Installation Manual, version 5.2 (2026) (PDF page 7). The manual applies to this model: XR Flush Mount Installation Manual v5.2 Rail Grounding Lug section.

Official instruction manual: IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026) Checked · Earlier document

Location: PDF page 7

Documented

Clamp or bolt torque (manual)
80 in-lb
Official instruction manual
Sources

Printed as "Insert T-bolt in Top Rail slot and torque Hex Nut to 80 in-lbs." in IronRidge's XR Flush Mount Installation Manual, version 5.2 (2026) (PDF page 7). The manual applies to this model: XR Flush Mount Installation Manual v5.2 Rail Grounding Lug section; the IronRidge Grounding Lug cut sheet (https://files.ironridge.com/pitched-roof-mounting/resources/cutsheets/IronRidge_Cut_Sheet_Grounding_Lug.pdf) is XR-LUG-04-A1.

Official instruction manual: IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026) Checked · Earlier document

Location: PDF page 7

Documented

Connector
Grounding lug connecting a row of PV modules to the grounding conductor
Official datasheet
Sources

Printed as "A single Grounding Lug connects an entire row of PV modules to the grounding conductor. Item Number Description XR-LUG-04-A1 Grounding Lug, Low Profile" in the IronRidge Parts Catalog v3.66, captured on September 25, 2026.

Official datasheet: IronRidge Parts Catalog (v3.66) Rev v3.66 · Checked · Earlier document

Location: Parts Catalog, Grounding Lugs

Documented

Compatible series
IronRidge XR Rail racking
Official datasheet
Sources

The Grounding Lugs entry sits in the "XR Rail® Racking" section of the IronRidge Parts Catalog v3.66, captured on September 25, 2026.

Official datasheet: IronRidge Parts Catalog (v3.66) Rev v3.66 · Checked · Earlier document

Location: Parts Catalog, XR Rail Racking section

Documented

All specs5
Material
Tin plated aluminum
Official datasheet
Sources

Printed as "TinPlatedAluminum" beside "XR-LUG-04-A1 v1.20" in the text layer of IronRidge's grounding lug cut sheet, captured on September 25, 2026.

Official datasheet: IronRidge Grounding Lug cut sheet (XR-LUG-04-A1, v1.20) Rev v1.20 · Checked · Earlier document

Location: Cut sheet title block

Documented

Grounding (manual)
One grounding lug (rail or module) per continuous subarray; one solid or stranded copper wire, 14-4 AWG
Official instruction manual
Sources

Printed as "Only one Grounding Lug (Rail or Module) required per continuous subarray, regardless of subarray size" in IronRidge's XR Flush Mount Installation Manual, version 5.2 (2026) (PDF page 7). The manual applies to this model: XR Flush Mount Installation Manual v5.2 Rail Grounding Lug section.

Official instruction manual: IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026) Checked · Earlier document

Location: PDF page 7

Documented

Clamp or bolt torque (manual)
80 in-lb
Official instruction manual
Sources

Printed as "Insert T-bolt in Top Rail slot and torque Hex Nut to 80 in-lbs." in IronRidge's XR Flush Mount Installation Manual, version 5.2 (2026) (PDF page 7). The manual applies to this model: XR Flush Mount Installation Manual v5.2 Rail Grounding Lug section; the IronRidge Grounding Lug cut sheet (https://files.ironridge.com/pitched-roof-mounting/resources/cutsheets/IronRidge_Cut_Sheet_Grounding_Lug.pdf) is XR-LUG-04-A1.

Official instruction manual: IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026) Checked · Earlier document

Location: PDF page 7

Documented

Connector
Grounding lug connecting a row of PV modules to the grounding conductor
Official datasheet
Sources

Printed as "A single Grounding Lug connects an entire row of PV modules to the grounding conductor. Item Number Description XR-LUG-04-A1 Grounding Lug, Low Profile" in the IronRidge Parts Catalog v3.66, captured on September 25, 2026.

Official datasheet: IronRidge Parts Catalog (v3.66) Rev v3.66 · Checked · Earlier document

Location: Parts Catalog, Grounding Lugs

Documented

Compatible series
IronRidge XR Rail racking
Official datasheet
Sources

The Grounding Lugs entry sits in the "XR Rail® Racking" section of the IronRidge Parts Catalog v3.66, captured on September 25, 2026.

Official datasheet: IronRidge Parts Catalog (v3.66) Rev v3.66 · Checked · Earlier document

Location: Parts Catalog, XR Rail Racking section

Documented

Published claims and calculations, not independent test results.

Documents

4 on file
  • PDF
    IronRidge Grounding Lug cut sheet (XR-LUG-04-A1, v1.20)OfficialIronRidge, Inc.Official datasheet
    Source details
    Revision
    v1.20
    Revision date
    Not stated

    Location: Title block

    Retrieved

    IronRidge's own one-page cut sheet for grounding lug XR-LUG-04-A1 (v1.20), hosted on files.ironridge.com and captured on September 25, 2026. Its text layer carries only the item number, version and material; the drawing and any wire range are image-only, so nothing else was read from it.

    Archived copies

    Archived copy of a document published by IronRidge, Inc.. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

    Archived backup v1.20 · 0.68 MB

    Archived copy, unaltered, kept as a record of what IronRidge, Inc. published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/cutsheets/IronRidge_Cut_Sheet_Grounding_Lug.pdf. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    1
    Embedded creation date
    Embedded modification date

    Embedded dates are file metadata, not independent proof of publication.

    SHA-256: 54b3674f2dbddffc593c099764a0773369c94cecf1146f3db00eb915ef8aee48

    Open
  • PDF
    IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026)OfficialIronRidgeOfficial instruction manual
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Archived copy captured on 2026-10-16.

    Location: Installation instructions

    Retrieved

    IronRidge's own manual, captured October 16, 2026 with the paced research fetcher (robots.txt read first). Manufacturer instructions, not independent tests.

    Archived copies

    Archived copy of a document published by IronRidge. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

    Archived backup Revision not recorded · 7.32 MB

    Archived copy, unaltered, kept as a record of what IronRidge published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/brochures/IronRidge_Flush_Mount_Installation_Manual.pdf. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    31
    Embedded creation date
    Embedded modification date

    Embedded dates are file metadata, not independent proof of publication.

    SHA-256: 8311976b368fff102a8c483f4dabaaf125f420cf8c7b8ade8ca8d35450e5e46c

    Open
  • PDF
    IronRidge_Limited_Warranty.pdfOfficialIronRidgeOfficial warranty
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Linked from the Signature Solar product page with link text "none".

    Location: IronRidge_Limited_Warranty.pdf

    Retrieved

    Original PDF preserved byte for byte, found linked from the Signature Solar listing https://signaturesolar.com/iron-ridge-grounding-lug-low-profile-uwbe/. The revision is whatever was published at this URL on the access date; exact variant coverage inside the document was not separately verified and no later revision was checked.

    SHA-256: 671d89b990b9adc145a099a12bef4e129fd5056ad901c6b6b99e62857e5d680b

    Archived copies

    Archived copy of a document published by IronRidge. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

    Archived backup Revision not recorded · 0.14 MB

    Archived copy, unaltered, kept as a record of what IronRidge published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/brochures/IronRidge_Limited_Warranty.pdf. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source

    Embedded dates are file metadata, not independent proof of publication.

    SHA-256: 671d89b990b9adc145a099a12bef4e129fd5056ad901c6b6b99e62857e5d680b

    Open
  • WEB
    Iron Ridge | Grounding Lug | Low ProfileSignature SolarDistributor product page
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: Product listing

    Retrieved

    OpenPaid link.

Archive and older revisions

Archive and older revisions3

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

  • PDF
    IronRidge Parts Catalog (v3.66)OfficialIronRidge, Inc.Official datasheet
    Source details
    Revision
    v3.66
    Revision date
    Not stated

    Location: XR Rail Racking pages (XR Rails, UFO Mid Clamps, EFO End Clamps, Grounding Lugs)

    Retrieved

    IronRidge's own parts catalog, v3.66, linked from IronRidge component pages and captured on September 25, 2026. It lists item numbers and descriptions for every current part with a short description per family. It prints no prices, weights or materials for most parts; 84 inch XR rail lengths are no longer listed.

    Archived copies

    Archived copy of a document published by IronRidge, Inc.. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

    Archived backup v3.66 · 3.59 MB

    Archived copy, unaltered, kept as a record of what IronRidge, Inc. published. Original address: https://files.ironridge.com/IronRidge_Parts_Catalog.pdf. Copyright and takedown

    Source first found
    This copy captured
    Archived
    File detailsOriginal source
    Pages
    48
    Embedded creation date
    Embedded modification date

    Embedded dates are file metadata, not independent proof of publication.

    SHA-256: 3be8eaab17324c6aea67d75143cfaba4dd25e881927691397c9bc6551364e7bf

    Open
  • PDF
    Iron Ridge | Grounding Lug | Low Profile · ManualSignature SolarDistributor instruction manual
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: Seller-linked document

    Retrieved

    Linked by the seller for this model; manufacturer revision and applicability need confirmation.

    OpenPaid link.
  • PDF
    Iron Ridge | Grounding Lug | Low Profile · DocumentSignature SolarDistributor document
    Source details
    Revision
    Not stated
    Revision date
    Not stated

    Location: Seller-linked document

    Retrieved

    Linked by the seller for this model; manufacturer revision and applicability need confirmation.

    OpenPaid link.

Archived documents

IronRidge_Limited_Warranty.pdf

Archived copy of a document published by IronRidge. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Revision not recorded · 0.14 MB

Archived copy, unaltered, kept as a record of what IronRidge published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/brochures/IronRidge_Limited_Warranty.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 671d89b990b9adc145a099a12bef4e129fd5056ad901c6b6b99e62857e5d680b

IronRidge Grounding Lug cut sheet (XR-LUG-04-A1, v1.20)

Archived copy of a document published by IronRidge, Inc.. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup v1.20 · 0.68 MB

Archived copy, unaltered, kept as a record of what IronRidge, Inc. published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/cutsheets/IronRidge_Cut_Sheet_Grounding_Lug.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
1
Embedded creation date
Embedded modification date

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 54b3674f2dbddffc593c099764a0773369c94cecf1146f3db00eb915ef8aee48

IronRidge Parts Catalog (v3.66)

Archived copy of a document published by IronRidge, Inc.. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup v3.66 · 3.59 MB

Archived copy, unaltered, kept as a record of what IronRidge, Inc. published. Original address: https://files.ironridge.com/IronRidge_Parts_Catalog.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
48
Embedded creation date
Embedded modification date

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 3be8eaab17324c6aea67d75143cfaba4dd25e881927691397c9bc6551364e7bf

IronRidge: XR Flush Mount Installation Manual, version 5.2 (2026)

Archived copy of a document published by IronRidge. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Revision not recorded · 7.32 MB

Archived copy, unaltered, kept as a record of what IronRidge published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/brochures/IronRidge_Flush_Mount_Installation_Manual.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
31
Embedded creation date
Embedded modification date

Embedded dates are file metadata, not independent proof of publication.

SHA-256: 8311976b368fff102a8c483f4dabaaf125f420cf8c7b8ade8ca8d35450e5e46c

IronRidge UFO Family Tech Brief (Version 1.30)

Archived copy of a document published by IronRidge, Inc.. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup 1.30 · 0.88 MB

Archived copy, unaltered, kept as a record of what IronRidge, Inc. published. Original address: https://files.ironridge.com/pitched-roof-mounting/resources/brochures/UFO_Family_Tech_Brief.pdf. Copyright and takedown

Source first found
This copy captured
Archived
File detailsOriginal source
Pages
2
Embedded creation date
Embedded modification date

Embedded dates are file metadata, not independent proof of publication.

SHA-256: ca5226881d6170a79848085ae8ccb92ef7949adae8a5f47944216ab4908c809b

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Warranty

No warranty terms on file.

Sellers

Affiliate links below. Affiliate disclosure

Signature Solar

4.6 (7)not verified

Listing SKU 1649058

$8Recorded
Visit sellerPaid link.

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Price history

$8

Prices we read at Signature Solar · 17 readings · no change in our readings since

Chart, listings & data

Since · Listing price (USD)

View listing at Signature Solar Paid link.
$7$8$9Signature Solar: $8 · Sep 16, 2026, 5:35 PM PDTSignature Solar: $8 · Oct 3, 2026, 12:49 PM PDTSignature Solar: $8 · Oct 17, 2026, 2:37 AM PDTSignature Solar: $8 · Oct 20, 2026, 4:06 AM PDTSignature Solar: $8 · Oct 25, 2026, 2:36 AM PDTSignature Solar: $8 · Oct 27, 2026, 4:26 AM PDTSignature Solar: $8 · Oct 28, 2026, 3:53 AM PDTSignature Solar: $8 · Oct 29, 2026, 4:16 AM PDTSignature Solar: $8 · Oct 30, 2026, 4:17 AM PDTSignature Solar: $8 · Oct 31, 2026, 4:03 AM PDTSignature Solar: $8 · Nov 1, 2026, 4:15 AM PSTSignature Solar: $8 · Nov 2, 2026, 4:36 AM PSTSignature Solar: $8 · Nov 3, 2026, 4:52 AM PSTSignature Solar: $8 · Nov 5, 2026, 2:41 AM PSTSignature Solar: $8 · Nov 8, 2026, 3:15 AM PSTSignature Solar: $8 · Nov 12, 2026, 2:04 AM PSTSep 16, 2026Nov 12, 2026
Signature Solar$8Nov 12, 2026, 2:04 AM PSTLatest check · hover or tap for earlier prices

A break in a line is a gap in our readings: no price is drawn for days we did not read.

Price data
Collected price observations by seller
Checked (UTC)SellerPrice
Sep 16, 2026, 5:35 PM PDTSignature Solar Paid link.$8
Oct 3, 2026, 12:49 PM PDTSignature Solar Paid link.$8
Oct 17, 2026, 2:37 AM PDTSignature Solar Paid link.$8
Oct 20, 2026, 4:06 AM PDTSignature Solar Paid link.$8
Oct 25, 2026, 2:36 AM PDTSignature Solar Paid link.$8
Oct 27, 2026, 4:26 AM PDTSignature Solar Paid link.$8
Oct 28, 2026, 3:53 AM PDTSignature Solar Paid link.$8
Oct 29, 2026, 4:16 AM PDTSignature Solar Paid link.$8
Oct 30, 2026, 4:17 AM PDTSignature Solar Paid link.$8
Oct 31, 2026, 4:03 AM PDTSignature Solar Paid link.$8
Nov 1, 2026, 4:15 AM PSTSignature Solar Paid link.$8
Nov 2, 2026, 4:36 AM PSTSignature Solar Paid link.$8
Nov 2, 2026, 9:32 AM PSTSignature Solar Paid link.$8
Nov 3, 2026, 4:52 AM PSTSignature Solar Paid link.$8
Nov 5, 2026, 2:41 AM PSTSignature Solar Paid link.$8
Nov 8, 2026, 3:15 AM PSTSignature Solar Paid link.$8
Nov 12, 2026, 2:04 AM PSTSignature Solar Paid link.$8

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Evidence score

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Certificates

1 on file2 claims on file · issuer check pending
UL 2703Product / system scope unresolvedClaimedListed when checked

IronRidge prints "The IronRidge® Flush Mount®, Tilt Mount®, and Ground Mount Systems have been listed to UL 2703 by Intertek Group plc." as a system-level statement that names no file number or listed part numbers; this part is a component of those systems. Recorded as the manufacturer's claim as printed; Intertek's directory was not checked.

Models: Iron Ridge | Grounding Lug | Low Profile

Issued
Not stated
Valid from
Not stated
Expiry
Not stated
Issuer checked
Not checked
Official datasheet: IronRidge UFO Family Tech Brief (Version 1.30) Rev 1.30 · Checked · Earlier document
Datasheet & manual claims1
UL 2703Manufacturer claim · systemClaimedListed when checked

IronRidge prints "The IronRidge® Flush Mount®, Tilt Mount®, and Ground Mount Systems have been listed to UL 2703 by Intertek Group plc." as a system-level statement that names no file number or listed part numbers; this part is a component of those systems. Recorded as the manufacturer's claim as printed; Intertek's directory was not checked.

Manufacturer document

Official datasheet: IronRidge UFO Family Tech Brief (Version 1.30) Rev 1.30 · Checked · Earlier document

Certificate guide

Parts and accessories

No sourced accessories or replacement parts listed yet.

Model history

Model identity

Model
Iron Ridge | Grounding Lug | Low Profile
Published model / SKU
XR-LUG-04-A1

IronRidge item number printed as "XR-LUG-04-A1 Grounding Lug, Low Profile" in the IronRidge Parts Catalog v3.66 and on the grounding lug cut sheet, captured on September 25, 2026.

Official datasheet: IronRidge Parts Catalog (v3.66) Rev v3.66 · Checked · Earlier documentOfficial datasheet: IronRidge Grounding Lug cut sheet (XR-LUG-04-A1, v1.20) Rev v1.20 · Checked · Earlier document

Manufacturer SKU unknown

No historical observations recorded yet.

Community discussions

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Recalls / legal notices

No recalls or legal notices on file; this is not a complete recall or court search. All notices · Report a notice

IronRidgeProducts, reviews and history
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