An extension cord, power extender, drop cord, or extension lead is a length of flexible electrical power cable with a plug on one end and one or more sockets on the other end.
The term usually refers to mains extensions but is also used to refer to extensions for other types of cabling.
ELECTRIAL CHARACTERISTICS | |||
Norminal Impedance(Ω) | 75±3 | ||
Norminal Velocity of Propagation(%) | 85 | ||
Normial Capacitance(pF/m) | 50 | ||
Sparker Test(VAC) | 4000 | ||
SRL(dB) | 20 | ||
Attenuation [@68°F(20℃)] | Frequency(MHZ) | Maximum(dB/100ft) | Maximum(dB/100m) |
5 | 0.86 | 2.82 | |
55 | 2.05 | 6.73 | |
187 | 3.60 | 11.81 | |
300 | 4.45 | 14.60 | |
450 | 5.40 | 17.72 | |
600 | 6.20 | 20.34 | |
750 | 6.98 | 22.87 | |
865 | 7.52 | 24.67 | |
1000 | 8.13 | 26.64 | |
1200 | 8.97 | 29.40 | |
1450 | 9.89 | 32.41 | |
1800 | 11.81 | 38.72 | |
3000 | 14.30 | 46.90 |
Retractable cable reel, handle cable wire :
I. Cable reel: Portable optical cable disk (also called handle wire spool, handle wire winch, mini portable cable laying ), which is mainly used in the television relay car, wound fiber, signal line, power cable and other cables; Wheel plate light and durable; Surface spray treatment, easy to use.
II. System construction
The product mainly consists of winding wheel, wire frame, winding handle, handle, and bearing seat.
III. Functional characteristics
1. Manual recharging line: the function of winding and winding by clockwise or counterclockwise winding handle.
2. The rotating shaft is equipped with bearing sleeve, which can easily be used to realize the collection line of the handle.
3. Easy to move: with handle, easy to move.
4. It is equipped with a preferable handle, and the handle strength is durable.
5. Equipped with brake device, the brake can be jammed at any time.
6. Both side with bearing support line, which can be used for long term and never deformation.
7. Main technical indicators
Extension Cord Reel (also known as mobile cable reel) is mainly used for winding optical fiber, signal cable, power cable and other cables. The spool is made of steel pipe, imported engineering plastics are used as the wheel, light and durable; rods and wheels. Surface spray treatment. Beautiful and atmospheric.
Manual retractable wire: Rotate the winding handle clockwise or counterclockwise to complete the task of receiving and releasing the wire.