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The BMC224 is a balanced microphone cable composed of two stranded conductors surrounded by al Al-mylar shielding in a flexible but durable PVC outer jacket, making it suitable for a wide variation of installation applications such as rack cabling and pulling through tubes and ducts. It consists of a 24 AWG stranded conductor section with Al-Mylar foil shielding and drain wire. Combined with a strong bond between shielding and jacket, stripping of both jacket and shielding can be done in one action which guarantees the highest installer convenience when terminating with connectors. The highly effective shielding offers excellent immunity against noise and interference caused by external devices.
| BMC224/1 | 100 meter |
| BMC224/3 | 300 meter |
| Application | AV & IT |
| Series | Bulk & Accessories |
| Inner conductor | Audio | Insulation | Material | HDPE 0.049 " (Ø) |
| Insulation | Colours | White / Red | ||
| Overall shielding | Aluminium foil | Al-mylar, 100% coverage - 25% Overlap | ||
| Outer jacket | Material | PVC 3.8 mm (Ø) | ||
| Colours | Black | |||
| Type of cable | 24 AWG Microphone cable | |||
| Inner conductor | Material | BC 7 x 0.20 mm (Ø) (OFC) | ||
| Section | 0.00034 “² | |||
| American Wire Gauge | 24 AWG | |||
| Number of conductors | 2 | |||
| Conductor twisting | Yes | |||
| RoHS2 compliant | According EU Directive 2011/65/EU |
| Reach compliant | According EC 1907/2006 |
| Temperature range | Fixed installation | - 68 °F till + 176 °F |
| Mobile installation | - 59 °F till + 140 °F | |
| Bending radius | Fixed installation | 8 x outer diameter |
| Mobile installation | 10 x outer diameter |
| Max. conductor | DC resistance | 93 (Ω / Km) |
| Resistance | Insulation | Min. 100 MΩ / km @ 68°F |
| Dielectric strength | 500 (KV / 1 min. DC) | |
| Rated voltage | 300 V | |
A stranded copper wire is more flexible and easier to install than a large single-strand wire with the same cross section. Stranding improves wire life in applications where flexibility is needed. A particular cross section of a stranded conductor gives it essentially the same resistance characteristics as a single-strand conductor, but with added flexibility.
Aluminum foil shielding is ideal for reflecting electromagnetic interference (EMI) and is often used in combination with a braided wire to absorb EMI.
The drain wire is a part of a shield within a cable that reduces the resistance from any point on the shield to ground. A drain wire carries extraneous electrical noise to ground and away from the circuit or system. The tin plating also adds to the copper in the cable as it not only helps to boost the copper’s properties, it also helps the wire to last much longer and counter acts against oxidation.
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