You may also like
JUMPER SLEEVE 9IN 477 ASCR
Manufacturer Resources
Product Specs
- Connection Type:
- Compression
- Country Of Origin:
- Mexico (MX)
- Insulation Material:
- None
- Number Of Conductors:
- 2
- Product Group:
- Wire Connectors & Terminals
- Product Type:
- Compression Splice
- Selling Unit Of Measure:
- each
- Standards:
- ANSI C119.4 - meets the 40 percent partial tension requirement.
- Type2:
- Wire or cable compression splice
- Department:
- Electrical
- Product Subgroup:
- Wire Connectors
- Product Size:
- 9 inch
- Installation Category:
- None
Blackburn RCJ477M – Frequently Asked Questions
1) Is the Blackburn RCJ477M jumper sleeve rated for full tension on a 477 ACSR conductor?
No. The RCJ477M is a partial tension sleeve: it meets the 40 percent partial tension requirement of ANSI C119.4. Use it as a jumper connection where the conductor is already dead-ended and the sleeve is not carrying line tension. For a through splice that has to hold the full rated strength of the 477 ACSR, you need a full tension compression splice instead.
2) What size conductor does the Blackburn RCJ477M jumper sleeve take?
It is sized for 477 ACSR, and it is a two-conductor sleeve, so it accepts a conductor end in each side. Both ends must be 477 ACSR for the compression dies and barrel bore to seat correctly.
3) Is this a bolted or a compression jumper sleeve?
Compression. The RCJ477M is crimped onto the conductor with a hydraulic compression tool and the correct dies for the sleeve, not bolted or set-screwed. Once compressed it is permanent, so position the conductor ends fully in the barrel before the first crimp.
4) How long is the Blackburn RCJ477M sleeve?
Nine inches overall, which is what sets how much conductor end you need stripped and staged on each side and how much clear room the crimp tool needs along the jumper run.
5) Does the RCJ477M come insulated?
No insulation. It is a bare compression sleeve, so any covering, tape, or cover-up is added in the field per your utility's practice.
6) Is the RCJ477M sold individually or in a box quantity?
Each. One RCJ477M sleeve per unit, so order the exact count of jumper connections you are making. The part is made in Mexico.
How fast can I get the Blackburn RCJ477M 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 RCJ477M come with a warranty?
Absolutely. The Blackburn RCJ477M 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 RCJ477M?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Blackburn RCJ477M from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.