RVVZ Communication Power Supply With Flame Retardant Flexible Cable

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Shanghai
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TT or LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Communication power supply with flame retardant flexible cable RVVZ - RVVZ (aka ZRVVR) series flame retardant cable is soft and filaments multilayer complex ground forms a partnership, has good flexibility, high flexural performance, high flame retardant performance at the same time, apply to telecommunications, post and telecommunications, railway, chemical industry, fire control, communications, chemical and other power distribution system of the internal connections of the telecom room, communication power supply with flame retardant flexible cable RVVZ is suitable for fixed installation can be used as mobile cable and is especially applicable in the special environment. 

Characteristics

1, name: communication power supply with flame retardant flexible cable RVVZ (communication power supply with the antiflaming fire-resistant flexible cable)
2, communication power supply with flame retardant flexible cable RVVZ specifications: 6-240 - mm
3, communication power supply with a flame retardant flexible cable RVVZ dc cable, communication power supply with flame retardant flexible cable is applicable to the communication board (station) and lose of high-rise buildings, such as power supply and distribution system used in the flame retardant flexible cable. 
B communication power supply with flame retardant flexible cable RVVZ used in overhead, pipelines, indoor cable conduit, directly buried underground. 

Standard: YD/T1173-2001

, the product model: ZA - RVV (ZRRVV ZRVVR RVVZ) communication power supply with flame retardant flexible cable
ZA - RVV22 (ZRRVV22 ZRVVR22 RVVZ22) communication power supply with flame retardant steel tape armoured flexible cable
ZRYJVR, ZRYJVR22 communication power supply with flame retardant flexible cable
6, communication power supply with flame retardant flexible cable RVVZ flame retardant performance
Communication power supply with flame retardant flexible cable under specified test conditions, specimen was burning, after removed test of ignition, flame spread only in a limited range, residual flame or residual burning characteristics of self extinguishing reaction in the limited time. 


 Main Features


A, communication power supply with flame retardant flexible cable rated voltage: 600/1000, 450/750 v v. 
B, communication power supply with flame retardant flexible cable long-term working temperature of conductor: 70 ℃. 
C, communication power supply with flame retardant flexible cable when installation should not below 0 ℃ environment temperature. 
D, communication power supply with flame retardant flexible cable minimum bending radius: the armoured cable, flame retardant for 6 times of cable diameter, armoured cable type: for 20 times of cable diameter.

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Q:Emergency cable T-box and cable distribution box of the information?
The incoming and outgoing wires are electrically connected together The potential is the same, which is suitable for tapping or branch wiring It is common practice to add the number of lines back to the number of times The three-branch cable splitter box, which has three equipotential bonding points on each phase, can be used as a second or two-in-one Cable distribution box contains U, V, W three-phase, three-phase circuit structure is the same, along the row together 2 High-level distribution box High-level distribution box containing switching equipment, both from the ordinary distribution box of the tap, branch, but also from the power supply circuit control, conversion and change the mode of operation The switch fence roughly divides the cable circuit into the inlet and outlet sides, and the potential on both sides can be different The switchgear itself has a larger volume, so the high-level distribution box size is relatively large, the height is generally 14 ~ 18m, the depth of about 09 ~ 10m, the length of the number of switching devices according to the number, M to 24 m The shape of the box is similar to that of an outdoor box transformer, and there are a number of active doors on the shell Some doors are designed for the operation of the switchgear Some doors are provided for the installation or maintenance of the cable connection device The
Q:Calculate the control cable under what circumstances the cable terminal needs to be calculated
" Why should the closed wall or protective wall closed on the second side of the closed junction box? This need to understand if you do not add this closed junction box, what kind of harm Civil air defense project in the closed wall is divided into the clean area and the area of ​​the infected area, and the wire tube in the thread after the inside is a cavity, directly through the wall to communicate with the cleaning area and exposed areas, so wartime works outside the dyeing The poisonous air can penetrate into the clean area through the cavity inside the wire tube, which is harmful to the personnel inside the project And the installation of a sealed junction box, you can thread in the line after the box filled with sealing material to block the tube cavity connectivity This is why the electrical safety pipe in the air defense project must pass the closed wall or protect the closed wall when the two sides must be closed in the closed junction box reasons
Q:Which has, know the power of the electrical, choose the cable formulas. And explain it
Is the interference signal line can not go with the wire,
Q:What is the difference between a pre-branch cable and a punched clip?
. soil buried pipe, including weak and fire, should be thick-walled galvanized steel pipe, that is, SC series of steel pipe, the best size is not less than SC. weak professional, decorative professional now basically use thin-walled galvanized steel pipe, that is JDG series steel pipe
Q:Will the computer master, external DVD burner how external power supply, please click details. Thank you!
You can shop on the ground floor of a layer of waterproof carpet (that is, the rural common 'kang seats'), the wire shop in the following, at the desk to stay a outlet hole, and the jack or electrical connection. Carpet can be bought in the hardware building materials store, as the traces of tape, you can go to the big supermarket to buy a special scrub, ask the salesman on the line. Wish you the best at work
Q:110 voice patch panel directly to the telephone line can be connected to it
YJ refers to the insulation material for the cross-linked polyethylene, V refers to the inner layer of PVC within the steel sheath armored copper power cable as aluminum core was YJLV22
Q:Ceiling on the wire after the tube is the tube on how to fix it on the ceiling?
Or with 6 points to the difference, but almost a few money, but you know when threading, 6 points is absolutely more effort, the line is also effort, the wire protection is also good!
Q:How long is the service life of the cable?
For corrosive environments, cable trays with suitable corrosion resistant coatings should be used
Q:The TV shows no signal. The What is the reason for this?
First with the liner is the fire-resistant bridge, fire bridge is only the surface brushing fire paint, and some design drawings are written and norms a bit vague, according to his drawings should be refractory bridge.
Q:The difference between the instrument cable and the low voltage power cable
Meaning the cross-sectional area of the wire, the unit is square mm; for example: 4 square copper wire, the cross-sectional area of the wire is 4 square millimeters, copper wire;

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