Metra Electronics BCT4-1

In custom 12-volt electrical and mobile audio installations, securing wiring harnesses neatly away from moving parts, sharp sheet metal edges, and heat sources is essential for a reliable, professional finish. Manufactured by Metra Electronics under their premier Install Bay professional installation line, the 4-Inch 18-Lb Cable Ties (Part No. C230 / BCT4) are engineered specifically to provide secure, durable wire bundling for shop technicians and mobile electronics installers.

Part Number Breakdown and Material Specifications

• Brand / Series (IB / Install Bay): Metra’s dedicated installation accessories division designed by professional installers for shop efficiency and reliability.

• Component Type (C230 / BCT4): Denotes standard professional-grade nylon cable zip ties optimized for tight dash spaces and harness routing.

• Dimensions and Tensile Strength (4″ 18lb): Measures 4 inches in length with an 18-pound tensile strength rating, offering ideal flexibility and holding power for standard wire bundling.

Key Features and Functional Capabilities

Deploying Install Bay cable ties in your mobile audio workflow delivers major operational advantages:

1. Secure Harness Bundling

Keeps power wires, RCA interconnects, speaker leads, and factory integration harnesses neatly bound together to eliminate rattles and prevent chafing behind dash panels.

2. High-Grade Nylon Construction

Molded from durable, UV-resistant nylon material that withstands extreme vehicle cabin temperatures, humidity, and mechanical stress without snapping.

3. Low-Profile Locking Head

Features a smooth, low-profile self-locking head that grips tightly and allows excess tail trimming for a clean, professional finish.

Best Practices and Installation Guidelines

• Avoid Over-Tightening: Pull zip ties snug around wire bundles without crushing insulation or pinching internal copper strands.

• Clean Tail Trimming: Use flush-cut diagonal wire cutters to trim excess tails close to the locking head, preventing sharp exposed edges that can scratch installers’ hands or puncture nearby wiring.

• Thermal Placement: Keep cable ties away from direct contact with high-temperature engine components like exhaust manifolds or turbochargers unless using specialized high-temp metal ties.

• 4″ length
• 18 lb tensile strength
• Package of 1000