1/2 INCH GROUNDING WEDGE
Manufacturer Resources
Product Specs
- Number Of Batteries:
- 0
- Product Group:
- Grounding & Bonding
- Product Type:
- Grounding Connector
- Department:
- Electrical
- Product Subgroup:
- Grounding & Bonding
- Product Material:
- Steel
Thomas & Betts 3650 – Frequently Asked Questions
1) I need to tap a ground conductor rather than bond to a 1/2 inch opening - what should I use instead of the 3650?
Use a tap-style connector. The Thomas & Betts 3650 is a 1/2 inch grounding wedge, built to bond at a 1/2 inch opening, and it does not tap one conductor to another. The NSi Industries copper C-Tap grounding connector, rated 600V, is the compression tap for running a ground tap off a conductor; the Burndy K2C20 SERVIT POST handles two cables to a flat surface mechanically. Pick the C-Tap for a conductor-to-conductor ground tap and keep the 3650 for the enclosure or raceway bond.
2) Is a grounding wedge the same thing as a mechanical lay-in ground lug or a C-tap?
No. The 3650 is a grounding wedge, a steel connector that bonds at a 1/2 inch conduit/fitting point rather than splicing conductors. If you need to tie cables together or land them on a flat surface, that is a different family of part: the Burndy K2C20 SERVIT POST connects two cables to a flat, and the NSi Industries copper C-Tap is a 600V tap connector for joining grounding conductors. Pick by how the connection is made, not by size alone.
3) What part number do I order for the Thomas & Betts 1/2 inch grounding wedge?
Order by manufacturer part number 3650. There is one configuration, so there is no finish or material option to specify.
4) Can a copper C-Tap be used in place of a Thomas & Betts 3650 grounding wedge?
No - they are not interchangeable even though both are grounding connectors. The 3650 is a steel 1/2 inch grounding wedge that mechanically wedges into a 1/2 inch opening to establish the bond. The NSi Industries copper C-Tap grounding connector is a copper tap connector rated 600V and has no provision for seating in a 1/2 inch knockout or fitting. If the specification calls for a 1/2 inch grounding wedge, order the 3650; use the C-Tap only where a copper tap connection is what the drawing shows.
5) For standardizing grounding hardware across a facility, how do the Thomas & Betts 3650, Burndy K2C20, and NSi C-Tap divide up the work?
They cover three distinct connection types, so most facilities stock more than one. The Thomas & Betts 3650 is the 1/2 inch grounding wedge for bonding at a 1/2 inch opening and is made of steel. The Burndy K2C20 SERVIT POST is a mechanical grounding connector that terminates two cables to a flat surface, which suits ground bars and plates. The NSi Industries copper C-Tap is a copper grounding connector rated 600V for tap connections. Stocking by connection type - wedge, cable-to-flat, and tap - rather than by brand keeps the crews from improvising.
6) If I am standardizing grounding connectors across a building, is the 3650 a copper or steel product?
Steel. Facilities that spec copper grounding hardware throughout, for dissimilar-metal reasons, would look to a copper connector instead, such as the NSi Industries copper C-Tap grounding connector.
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Does the Thomas & Betts 3650 come with a warranty?
Absolutely. The Thomas & Betts 3650 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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