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OIL STOP SPLICE FOR No1 COPPER
Manufacturer Resources
Product Specs
- Connection Type:
- Compression
- Country Of Origin:
- United States (US)
- Insulation Material:
- None
- Number Of Conductors:
- 2
- Product Group:
- Wire & Cable Management
- Product Type:
- Compression Splice Service Entrance Insulated
- Selling Unit Of Measure:
- each
- Surface Finishing:
- Tin-Plated
- Type2:
- Wire or cable compression splice
- Department:
- Electrical
- Product Subgroup:
- Splices
- Product Size:
- Length 2-7/8 inches
Blackburn PC 1-HM – Frequently Asked Questions
1) What conductor size does the Blackburn PC 1-HM oil stop splice take?
The PC 1-HM is sized for No. 1 copper conductor. It is a two-conductor splice, so it joins one No. 1 copper run to another, crimped on each end.
2) Does the Blackburn PC 1-HM come insulated, or do I need to cover it after crimping?
It ships bare. The splice body carries no insulation, so the installer covers it after crimping with tape, heat shrink, or a suitable cover per the installation requirements.
3) Is the Blackburn PC 1-HM a set screw connector or does it need a crimp tool?
Crimp only. It is a compression splice, so you need the correct die and hydraulic or battery crimper for a No. 1 copper barrel. There are no set screws on it.
4) What is an oil stop splice used for on a service entrance?
An oil stop splice blocks oil or compound from migrating along the conductor through the splice, which is why it shows up on service entrance and underground cable work. The PC 1-HM does that job for No. 1 copper using a compression connection rather than a mechanical set screw.
5) How much room do I need in the enclosure for a PC 1-HM splice?
The barrel measures 2-7/8 inches long, and you need to add clearance at both ends for the crimp tool jaws plus whatever cover or tape you wrap over it. Tight junction boxes and meter bases are where this catches people out.
6) Is the Blackburn PC 1-HM tin plated, and can I use it on aluminum conductor?
The body is tin-plated, which protects the copper barrel from corrosion. It is specified for No. 1 copper conductor, so do not substitute it on aluminum, use a connector rated for aluminum or a dual-rated AL/CU device instead.
7) Are Blackburn PC 1-HM splices sold individually or in a bag?
Sold each, so order one per splice point. On a two-conductor service you will need one for each run being joined.
8) Where is the Blackburn PC 1-HM made?
Manufactured in the United States, which matters if your job carries a domestic sourcing requirement on electrical materials.
How fast can I get the Blackburn PC 1-HM 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 PC 1-HM come with a warranty?
Absolutely. The Blackburn PC 1-HM 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 PC 1-HM?
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 PC 1-HM 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.