A B strand connector is a cast, two-piece wedge-type fitting used to join or dead-end galvanized guy strand on overhead line structures. The connector grips the strand by a wedge-and-cavity action: as tension increases, the strand is pulled deeper into the tapered seat and the grip tightens proportionally — no crimping tools, compression dies, or hydraulic equipment are required. On distribution and transmission guy assemblies, the B strand connector is the workhorse splice for 7/16" EHS (extra high strength) guy strand, one of the most common strand sizes in North American pole line construction.
Guyed structures rely entirely on the integrity of their strand terminations. A splice that slips under load will let the pole lean; a splice that cuts into the strand creates a hidden fatigue point. The cast connector addresses both concerns with a smooth, contoured strand passage that spreads the holding force over a long grip length, and with a body cast in ductile iron for impact tolerance during installation. Supplied hot-dip galvanized, the connector resists the same atmospheric corrosion exposure as the strand itself, so neither component becomes the weak link in the guy system.
| Item | Typical Value |
|---|---|
| Material | Ductile iron ASTM A536 (65-45-12 typical); malleable iron variant available |
| Strength Rating | Rated holding strength typically matched to 7/16" EHS guy strand breaking load class |
| Strand Size | 7/16" EHS guy strand typical; other diameters per drawing |
| Hole / Pin Diameter | Compatible with 5/8"–3/4" clevis pins and thimble eyes |
| Hole Spacing | Pin center distance per customer drawing |
| Finish | Hot-dip galvanized per ASTM A153 |
| Suitable Assembly | Guy strand splices, dead-ends, and down-guy assemblies with thimble clevis |
| Weight Range | Approx. 1.0–2.5 kg per piece |
| Casting Process | Green sand casting, shot-blasted, strand passage machined |
| Standard | Manufactured to ANSI C29-series guy hardware conventions |
Installation experience matters with strand connectors, and crews that follow a simple sequence get reliable results:
Feed the strand through both connector halves, forming the loop around the thimble or clevis pin.
2. Seat the strand tail into the wedge cavity and draw the connection up under load — the wedge self-tightens as tension rises.
Leave a short tail beyond the connector to confirm no slippage during commissioning.
Typical applications include three-phase distribution down-guys, head-guys on angle poles, and station guy leads. The B size designation places this connector in the mid-duty range of the strand connector family, bridging smaller A sizes and larger C sizes used on transmission guying. Crews should never reuse a connector that has already carried full load, as the strand surface may be burnished and the wedge seat deformed.
We cast B strand connectors to customer drawings or from samples supplied by utility distributors. Customization options include alternate strand passages for regional strand constructions, oversized pin eyes, and private-brand embossing on the body. Pre-production samples are typically ready in 2–4 weeks, with dimensional inspection reports included.
Quality control covers: dimensional gauging of the strand passage and pin eye; magnetic-gauge verification of galvanizing thickness per ASTM A153; and scheduled pull sampling to verify rated holding strength on a calibrated tensile machine. Parts are carton-packed in 50-piece lots, palletized, and shipped with lot traceability numbers for utility audit requirements.
Q: Which strand sizes does the B strand connector fit?
A: It is typically specified for 7/16" EHS guy strand. A, B, and C sizes cover different strand diameters — confirm your strand size and we will match the connector.
Q: Do I need special tools to install it?
A: No. The wedge action grips under tension; only standard hand tools for positioning are needed, unlike compression splices.
Q: Can the connector be used on overhead ground wire strand?
A: Guy strand connectors are intended for guy assemblies; for OPGW or shield wire splicing, dedicated compression fittings are recommended.
Thimble Clevis — protects strand bending radius at the dead-end
Square Head Plugs — example of our other ductile iron casting lines
Tell us your strand size and annual volume — we will quote the B strand connector with matched thimble clevis options in one package.
WhatsApp: +86 185 6156 7088, or use the inquiry form for an RFQ with mill certificates.
Need a formal quotation? Send your B Strand Connector for Guy Strand Splicing drawing, quantity and target price through our RFQ form — it goes straight to the foundry inbox, and we reply with a priced offer, material certificate draft and production lead time within one business day.
Professional technical research and development team to provide customers with the best solution.
Jimo District, Qingdao City, Shandong Province, China
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