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31

SKU: 31

MPN: 31

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$5.74 / EA

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Lead time: over 7 working days
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Dale Electric Supply ships electrical products across the U.S. and supports international orders through customer service. Local delivery may be available in defined regional delivery zones, and larger same-manufacturer orders may qualify for factory-direct shipping. Shipping and fulfillment can vary by product, vendor, manufacturer program, stock state, destination, quantity, and quote workflow.

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Established 1948
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Material: Brass
Size: 1/2 IN
Type: Conduit Hub

Description

Product overview

1/2" Bronze Grounding Hubs

Manufacturer highlights

Topazs Conduit Hubs are manufactured in bronze to offer excellent corrosion resistance and provide proper ground path continuity. Designed for use wit...

Topazs Conduit Hubs are manufactured in bronze to offer excellent corrosion resistance and provide proper ground path continuity. Designed for use with ground pipe clamps to connect Rigid conduit to water pipes for grounding. Available in 1/2, 3/4 and 1 sizes; UL listed.

Corrosion resistant bronze construction assures proper ground continuity

Additional manufacturer notes

Short name: TPZ
Feed description: TPZ 31 1/2" GROUNDING HUB 25-PK
Invoice description: 1/2" GROUNDING HUB 25-PK

Specifications

UPC: 751338100503

UNSPSC: 39121613

Country of Origin: MUL

Material: Brass

Size: 1/2 IN

Type: Conduit Hub

Connection: Threaded Hub

Connectors (IN): Threaded Hub IN

Height: 1.15 IN

Label Description: GROUNDING HUBS

Material: Brass

Size: 1/2 IN

Size (IN): 1/2" IN

Standard: UL 467, UL File Number E170258, US FED SPEC Number A-A-50552, CSA Certified, NEMA/ANSI FB-1, Military Specification Number:W-F-406D, W-F-406E, W-F-408D, W-S-610D

Type: Conduit Hub

Width: 1.07 IN

Manufacturer keywords: 1/2" GROUNDING HUB 25-PK

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$14.67 / EA

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Specification comparison

Scan the attributes that differ across these alternatives.

GP650 View key specs

SKU: GP650
Price: $50.34 / BAG
Availability: 8 available
Conductor Material: —
Connection: —
Connectors (IN): —
For Use With: —
Label Description: —
Length: —

View full product details

GB5 View key specs

SKU: GB5
Price: $10.45 / EA
Availability: Available to order
Conductor Material: Zinc (Bridge) / Paintable Plastic (Cover)
Connection: —
Connectors (IN): —
For Use With: —
Label Description: —
Length: 1.497 IN

View full product details

621A View key specs

SKU: 621A
Price: $9.81 / EA
Availability: Available to order
Conductor Material: —
Connection: Threaded Hub
Connectors (IN): Threaded Hub IN
For Use With: Conduit Pipe
Label Description: GROUND CLAMP FOR RIGID CONDUIT
Length: 2.25 in

View full product details

621B View key specs

SKU: 621B
Price: $10.37 / EA
Availability: Available to order
Conductor Material: —
Connection: Threaded Hub
Connectors (IN): Threaded Hub IN
For Use With: Conduit Pipe
Label Description: GROUND CLAMP FOR RIGID CONDUIT
Length: 2.25 in

View full product details

622A View key specs

SKU: 622A
Price: $13.57 / EA
Availability: Available to order
Conductor Material: —
Connection: Threaded Hub
Connectors (IN): Threaded Hub IN
For Use With: Conduit Pipe
Label Description: GROUND CLAMP FOR RIGID CONDUIT
Length: 3.6 in

View full product details

622B View key specs

SKU: 622B
Price: $14.67 / EA
Availability: Available to order
Conductor Material: —
Connection: Threaded Hub
Connectors (IN): Threaded Hub IN
For Use With: Conduit Pipe
Label Description: GROUND CLAMP FOR RIGID CONDUIT
Length: 3.6 in

View full product details

Attribute	GP650 Ground Pigtail, 7-1/2 in. Size, 12 GA thickness	GB5 Intersystem grounding bridge, has 4 termination points, one more than required b...	621A 1/2" - 1" Ground Clamps for Rigid Conduit with Conduit Hubs - Conduit Size 3/4"	621B 1/2" - 1" Ground Clamps for Rigid Conduit with Conduit Hubs - Conduit Size 1"	622A 1-1/4" - 2" Ground Clamps for Rigid Conduit with Conduit Hubs - Conduit Size 3/...	622B 1-1/4" - 2" Ground Clamps for Rigid Conduit with Conduit Hubs - Conduit Size 1"
Price	$50.34 / BAG	$10.45 / EA	$9.81 / EA	$10.37 / EA	$13.57 / EA	$14.67 / EA
Availability	8 available	Available to order	Available to order	Available to order	Available to order	Available to order
Conductor Material	—	Zinc (Bridge) / Paintable Plastic (Cover)	—	—	—	—
Connection	—	—	Threaded Hub	Threaded Hub	Threaded Hub	Threaded Hub
Connectors (IN)	—	—	Threaded Hub IN	Threaded Hub IN	Threaded Hub IN	Threaded Hub IN
For Use With	—	—	Conduit Pipe	Conduit Pipe	Conduit Pipe	Conduit Pipe
Label Description	—	—	GROUND CLAMP FOR RIGID CONDUIT	GROUND CLAMP FOR RIGID CONDUIT	GROUND CLAMP FOR RIGID CONDUIT	GROUND CLAMP FOR RIGID CONDUIT
Length	—	1.497 IN	2.25 in	2.25 in	3.6 in	3.6 in
Material	—	—	Brass	Brass	Brass	Brass
Nominal Length Inches	—	—	8.125	1.25	1.4375	5.50
Size	7-1/2 IN	L(1.497) x W(4.398) x H(1.836) IN	1/2 to 1 IN	1/2 to 1 IN	1-1/4 to 2 IN	1-1/4 to 2 IN
Size (IN)	—	—	1/2"-1" IN	1/2"-1" IN	1-1/4"-2" IN	1-1/4"-2" IN
Size (trade) (IN)	—	—	1/2"-1" IN	1/2"-1" IN	1-1/4"-2" IN	1-1/4"-2" IN
Standard	UL Listed	CULUS	UL 467, UL File Number E170258, US FED SPEC Number A-A-50552, CSA Certified, NEMA/ANSI FB-1, Military Specification Number:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 467, UL File Number E170258, US FED SPEC Number A-A-50552, CSA Certified, NEMA/ANSI FB-1, Military Specification Number:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 467, UL File Number E170258, US FED SPEC Number A-A-50552, CSA Certified, NEMA/ANSI FB-1, Military Specification Number:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 467, UL File Number E170258, US FED SPEC Number A-A-50552, CSA Certified, NEMA/ANSI FB-1, Military Specification Number:W-F-406D, W-F-406E, W-F-408D, W-S-610D
Thickness	12 GA	—	—	—	—	—
Type	Ground Pigtail	Heavy Duty Grounding Bridge	Ground Clamp	Ground Clamp	Ground Clamp	Ground Clamp
Wattage	—	14 to 4 AWG	—	—	—	—

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Key specs

Description

Product overview

Manufacturer highlights

Additional manufacturer notes

Specifications

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GP650

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621A

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