Cable listing correctly identifies lines and cables, which plays a very important role in the maintenance and emergency repair of lines and cables. Then, what are the installation requirements of cable listing?Shuofang sign printer manufacturer introduction: cable listing installation needs to be clear installation position, listing content, etc.

Installation position of PVC cable identification plate:

Overhead part: lead rod, splinter rod, joint rod, large reserved rod, straight rod every 200 meters should be installed.

Pipe parts: basement, out hole, connector manhole, large reserved manhole, split hole, lead hole, straight manhole every manhole should be installed.

Sign of main road, human well light (electric) cable

Indoor part: upper and lower passages, leading to the rack.

Cable hangings can be made in a variety of ways, commonly printed on PVC board or aluminum board, and the number of cable cores, the cable from one place to another and the construction date should be marked.

Cable listing content requirements:

What should be indicated?What are the requirements for writing?

The sign board shall indicate the cable line design number, cable model, specification and starting point, and the cable used in parallel shall have a serial number.The handwriting should be clear and not easy to fall off.

Where is the cable sign/sign used?

In the swimming place, there should be signs indicating deep water area, shallow water area, lifesaving equipment and each workshop in the swimming area.

Construction method of cable laying:

The use of flame retardant power cable and fire-resistant power cable through the pipe or bridge laying, power laying, according to the design and the actual path to calculate the length of each cable, reasonable arrangement of each cable.Cable tray rolling should be in the direction of the arrow marked on the tray rolling, to prevent the cable loose and twisted together, cable tray, roll to the predetermined position, with a jack will be placed on the cable tray, the line tray from the ground 50 ~ 10mm, can rotate freely, cable laying by human or mechanical traction laying, the use of mechanical traction laying cable,Place rollers on every other floor in the well passage so that the cable traction does not rub against the support or the ground. The mechanical traction speed does not exceed 15mm/min, and the reserved length of each cable is about 1m.

Cables laid along the bridge should be arranged neatly, without crossover phenomenon. Vertically laid cables should be fixed every 1.5 ~ 2m, and cable fixing should be carried out with nylon tape or cable clip. Cable sign plates should be hung at the first and last ends and joints of the cables, on which the line number, cable model, specification and starting and ending point should be indicated.The handwriting is clear and not easy to fall off.The cable terminal shall be wrapped with a tight plastic tape in the shape of a zero core. Press the core wires by crimping the cable nose with a crimping pliers. Wrap each cable core wire to the crimping position of the cable nose with yellow, green, red, light blue, and black plastic tape according to different phases.

After laying the cables, measure the insulation resistance of each cable with a 1000 V meter. The insulation resistance value should be greater than 10 Mω. After the test, discharge the core wires to the ground.

Cable listing printer selection:

Automatic cable listing printer, manual cable listing printer is the current market two major types, Shuofang sign machine SP650, SP600 is the representative of automatic cable listing printer, can automatically send card printing, fast, high efficiency, all kinds of cable signs, cable listing, PVC signs, coated metal plate,Die cutting labels with holes, light silver drawing stickers can be printed, two-dimensional code, bar code, electrical symbols, a variety of patterns, logos, forms and other complex content can be printed, just need to set online.