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Manufacturer Resources
Product Specs
- Country Of Origin:
- India (IN)
- Product Group:
- Grounding & Bonding
- Product Type:
- Hot-Line Clamp Protected Thread
- Selling Unit Of Measure:
- each
- Tap Size:
- 2/0 STR AWG#8 SOL AWG
- Type2:
- Electrical taps
- Voltage Rating:
- 35 kV
- Department:
- Electrical
- Product Subgroup:
- Ground Clamps
- Product Material:
- Bronze
Blackburn HLC21089 – Frequently Asked Questions
1) What conductor sizes does the Blackburn HLC21089 hot-line clamp accept?
The HLC21089 takes a 2/0 stranded main conductor and a #8 solid tap. Those are the two ends of its range, so if your run conductor is larger than 2/0 stranded, or the tap wire is stranded rather than solid #8, this is not the right clamp for that connection.
2) What voltage is the Blackburn HLC21089 hot-line clamp rated for?
It carries a 35 kV rating, which puts it in medium-voltage distribution work rather than service-entrance or secondary connections. If your circuit runs above 35 kV, use a clamp rated for that class instead.
3) What does the protected thread on the HLC21089 hot-line clamp do for me in the field?
Blackburn builds this one as a protected-thread hot-line clamp, meaning the eye-bolt threads are shielded from arcing damage and weather so the clamp can be torqued off and re-used rather than cut out. That is the reason crews spec it for temporary grounds and taps that get made and broken repeatedly.
4) Can I use the Blackburn HLC21089 as a grounding connection as well as a live tap?
It is catalogued by Blackburn both as a ground clamp and as an electrical tap, and the hot-line design is what lets a lineman make or break the connection with a hot stick. The limits are the same either way: 2/0 stranded main, #8 solid tap, 35 kV maximum.
5) Is the Blackburn HLC21089 sold individually or in a box quantity?
Sold each, so the count you order is the count of clamps you get. Stock accordingly if you are making multiple taps on the same run.
6) What part number should I put on the purchase order for the Blackburn bronze hot-line clamp?
Blackburn HLC21089 is the manufacturer part number, and it is a single configuration, no finish or size suffix to add.
How fast can I get the Blackburn HLC21089 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Blackburn HLC21089 come with a warranty?
Absolutely. The Blackburn HLC21089 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Blackburn HLC21089?
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product
selection,
installation tips, and troubleshooting. Contact Us
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