Porcelain column, porcelain wiring
1 scope
The technology standard is applicable to electric lighting porcelain of Ming porcelain column of indoor and outdoor wiring project.
2 construction preparation
2.1 material requirements:
2.1.1 specification, type of insulation wire must comply with the design requirements, and have the factory certificate.
2.1.2, porcelain porcelain column should be clean and complete, no broken crack.
2.1.3 screw connection button should choose according to wire section and the root of the wire number corresponding models of spiral wire reinforced insulation steel shell button.
2.1.4 LC secure line pressing cap please see section 3, 8, 3.8 the part.
2.1.5 casing with copper, aluminum casing pipe and copper aluminum casing three transition, when choose, should adopt corresponding casing with conductor material specifications.
2.1.6 terminals when choose, should choose according to conductor is the root of the number and the total cross section corresponding specifications of the terminal.
2.1.7 galvanized material: round steel, flat steel, wood screw, machine screw, nut, washer and spring washer, etc.
2.1.8 auxiliary materials: bit, antirust paint, mixed paint, cable tie, emery cloth, rubber (sticky plastic insulation tape, black tape, solder, flux, wood, brick, etc.
2.2 the main equipment:
2.2.1, tape measure, line drop, chalk line pencil bags, bucket, steel wire brush.
2.2.2 common electrician tools, soldering iron, burner, tin tin pot, spoon, hammer and chisel.
2.2.3 hand electric drill, impact drill, hammer, megohm meter, multimeter, tool bag, tool box, high stool.
2.3 operation conditions:
2.3.1 in civil engineering structure construction stage, should according to the size of the design position embedded wooden brick and pipe wall.
2.3.2 for inner decoration completed, all can wiring.
3 operation process
3.1 process:
Embedded wooden brick and protecting tube
Elastic column porcelain, porcelain wire for wire line inspection
Fixed installation location bottle connection insulation shake test
Embedded plastic tube expanding
3.2 play line positioning:
3.2.1 flare line location shall meet the following requirements:
3.2.1.1 porcelain column layout, the minimum distance between the wire line and the fixed point maximum distance are shown in table 3-21.
3.2.1.2 porcelain wiring, the minimum distance between the wire line and the maximum distance between the fixed point are shown in table 3-22.
Porcelain wiring line to line and allow the distance between the fixed point (mm) table 3-22
3.2.1.3 lines meet with other pipe should be avoided. Close to installation, the minimum distance see 3-1, as shown in section 3.5.
3.2.1.4 indoor along the walls, ceiling, support a fixed point distance are shown in table 3-23.
Indoor along the walls, ceiling, support a fixed point distance table 3-23
Guide line
Wire core section (was)
1 ~ 4 6 ~ 10 16 ~ 25 to 35 ~ 70 95 ~ 120
Maximum allowable distance (mm)
Porcelain column (pearl) wiring
Porcelain with line 1500
2000, 2000,
2500, 3000,
3000
6000
6000
3.2.1 porcelain stone column and the porcelain fixed on the bracket, the fixed point spacing are shown in table 3-24.
3.2.1.6 indoor and outdoor installation, insulation to the minimum distance of the ground wires are shown in table 3-25.
3.2.1.7 indoors using porcelain porcelain of column and wiring, lead to the buildings on the surface of the minimum distance should be not less than 10 mm.
Laying the insulation of the wire insulation support pieces on its support point spacing table 3-24
Wire core minimum cross section (was) insulation wire support point spacing
Copper wire aluminum wire (mm)
1.0
1.5 1.5
2.5
1.0
1.5 2.5
2.5
2.5
2.5 4
6, 6000 or less
12000 or less
Indoor and outdoor installation at the minimum distance of the ground 3-25
Laying the type most small distance (mm)
Inside the room
Outside the room 2500
2700
Inside the room
Outside the room 1800
2700
3.2.1.8 conductor in turn, branch and into the electric appliance, shall furnish support is fixed. Support and turning point, the branch points and electrical appliance wiring on the edge of the distance in porcelain column should be 60 to 100 mm.
3.2.1.9 outdoor wiring when across the pavement, wire above the ground height should not be less than 3.5 m; Across the traffic road should not be less than 6 m.
3.2.1.10 outside, and porcelain porcelain column directly fixed on metope, the fixed point spacing should be not more than 2 m.
3.2.2 flare line positioning methods: please see section 3, 9, 3.2 9.4.2 related content.
3.3 embedded this brick and protecting tube, please see section 3, 9, 3.3 the relevant content.
3.4 embedded plastic bulge: please see section 3, 9, 3.4 the relevant content.
3.5 and porcelain porcelain column is fixed:
Fixed porcelain column and porcelain can use brick of wood, plastic bulge and the bracket.
3.6 wire laying:
3.6.1 conductor installation method:
To disconnect the length of the tie line according to the required, into a small beam. Then lead let go and straighten, began to tie back by the end fixed on the porcelain column (bottle), of which the porcelain column (bottle) of bound method has two kinds, stress porcelain column (bottle) using the "double take" bound method; Gears porcelain column (bottle) by using "spend" tie. After the binding is firm should be straightening, to end porcelain column (bottle), graphite tightly tied back. From top to bottom, the detailed binding. Finally tie among fixed fulcrum, wire fixation after appropriate allowance shall be maintained.
3.6.2 wire laying requirements:
3.6.2.1 distance between the wires should comply with the relevant provisions of section 3.2. Two adjacent wire should be in two or porcelain porcelain column in the same direction (left or right) or wire should be in two or the outer edge of the porcelain insulator, porcelain column is not allowed in the medial as shown in figure 3-53.
3.6.2.2 wire branch, the branch point must be equipped with porcelain column or porcelain, used to support the tension of branch line, as shown in t approach as shown in figure 3-54.
3.6.2.3 wires in the corner, or porcelain porcelain column installed as shown in figure 3-55.
3.6.2.4 conductor cross with heat pipe (pipe), must be jacketed pipe insulation, insulation pipe at both ends of the porcelain column
(pearl) or fixed porcelain. As shown in figure 3-56 and 57 is shown in figure 3 -.
3.6.2.5 conductor in electric appliance, switch and outlet, should be at 100 mm from the fixed by a porcelain column or porcelain for wire wear wall is shown in figure 3-58 and shown in figure 3-59.
3.6.2.6 porcelain column or porcelain wiring, terminal of the back tie volume and the volume are shown in table 3-26.
3.6.2.7 tie wire should be used according to the conductor cross section selection, see table 3-27.
Male and single volume table 3-26
Conductor cross-section (was) 1.5 ~ 2.5 4 ~ 25 to 35 ~ 70 95-120
Male volume 8 12 16 to 20
Single volume 5 5 5
Wire and cable tie choice data table table 3-27
Conductor cross-section binding wire diameter (mm)
(was) iron binding wire copper binding wire aluminum wire
The < 10
10 to 35
50 ~ 70
95 0.8 or higher
1.2
1.0
1.4
2.0
2.6 2.0
2.0
2.6
3.0
3.7 wire connection:
3.7.1 screw connections button:
Every branch in the process of wiring, tapping shall be set aside terminal stud, and on the junction of porcelain column or porcelain
Both sides to tie it back, again to tie up the branch line. Please see section 3, 8, 3.8 the part.
3.7.2 LC secure line pressing cap connection request, please see section 3, 8, 3.8 the part.
3.7.3 copper-clad aluminum casing pressure welding, please see section 3, 8, 3.8 the part.
3.8 line inspection and insulation test, please see section 3, 8, 3.11 the relevant content.
4 quality standards
4.1 ensure project
4.4.1 porcelain and wire specifications and quality must comply with the design requirements and the relevant provisions.
Between 4.1.2 wires and wire to ground insulation resistance value must be greater than 0.5 M Ω.
Methods: to check the factory certificate; The measured or check insulation shake test record.
4.1.3 wires are strictly forbidden to twisting, die bending and the defects such as insulation damage.
Inspection method: to observe the examination.
4.2 the basic items:
2 porcelain and its bracket installation is firm, can not have the phenomenon such as porcelain porcelain or damage inversion; Conductor or porcelain fixed point spacing correct; Porcelain and stent neatly, surface cleaning, paint is complete.
Inspection methods: observation and lever.
4.2.2 wire laying
4.2.2.1 wire flat and tidy, porcelain fixed and reliable; Across the beam, wall, floor and across other lines, pipes, fashion protection tube; After building wire fixed reliable, the deformation of joints and had compensation allowance.
4.2.2.2 wire connection is firm, bandage tightly, good insulation, not wound wire core and tapping is not subject to tension.
4.2.2.3 Angle and the branch conductor neat, into the electric appliance insulation deal with good.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
4.3.1 the distance between the wire line and the fixed point spacing of allowable deviation
4.3.1.1 line: the distance between level laying lines to 10 mm; Vertical lay lines to 5 mm.
4.3.1.2 fixed point spacing allowable deviation of 50 mm.
4.3.2 inside with a porcelain column or porcelain insulator should be arranged on the same straight line, the line should be at right angles to the line.
4.3.3 wire can not have slack phenomenon. Run level, flat degree of allowable deviation 10 mm; Vertical run, flat allowable deviation degree of 5 mm.
Inspection methods: observation, feet quantity check.
5 finished product protection
5.1 wiring shall not damage the ground, metope and ceiling, and shall keep the parts clean.
5.2 installation of electrical appliances, shall not touch the loose laying up the wires.
5.3 when fastening screws, do not apply force too hard, in order to avoid the porcelain fracture.
May not again after 5.4 line installation of spray and brush oil, prevent pollution of the wires.
6 should pay attention to quality problems
6.1 individual porcelain porcelain surface is not clean and there is any breakage phenomenon. Porcelain, when installation should be scoured off the dirt from the surface, in a timely manner will be replaced damaged porcelain.
6.2 porcelain fixed unsuitable to apply wood screw fixed porcelain, nails and glue method is strictly prohibited.
6.3 deformation seam on both sides of the conductor is not equipped with fixed porcelain, should according to the requirements in a timely manner their make-up and wires should have compensation allowance.
6.4 conductor is too loose, exceed allowable deviation, should be adjusted in time, make it meet the requirements.
6.5 binding wire, will use the bare wires as the cable tie. Plastic insulated wire plastic cable tie must be used for binding.
6.6 the branch the wires, shall not be mounted fixed porcelain. Shall promptly do their make-up, ensure the wire is not affected by lateral strain.
6.7 wire junction, welding kits do not conform to the requirements, please see section 3, 8, 3.8 the relevant content.
7 quality records
7.1 insulation wire factory certificate.
7.2 column porcelain, porcelain wiring project engineering, self-inspection, mutual inspection records.
7.3 design changes regarding the record, record drawings.
7.4 (pearl) and the porcelain porcelain, porcelain column wiring subentry engineering quality inspection records.
7.5 electrical insulation resistance test records.
1 scope
The technology standard is applicable to electric lighting porcelain of Ming porcelain column of indoor and outdoor wiring project.
2 construction preparation
2.1 material requirements:
2.1.1 specification, type of insulation wire must comply with the design requirements, and have the factory certificate.
2.1.2, porcelain porcelain column should be clean and complete, no broken crack.
2.1.3 screw connection button should choose according to wire section and the root of the wire number corresponding models of spiral wire reinforced insulation steel shell button.
2.1.4 LC secure line pressing cap please see section 3, 8, 3.8 the part.
2.1.5 casing with copper, aluminum casing pipe and copper aluminum casing three transition, when choose, should adopt corresponding casing with conductor material specifications.
2.1.6 terminals when choose, should choose according to conductor is the root of the number and the total cross section corresponding specifications of the terminal.
2.1.7 galvanized material: round steel, flat steel, wood screw, machine screw, nut, washer and spring washer, etc.
2.1.8 auxiliary materials: bit, antirust paint, mixed paint, cable tie, emery cloth, rubber (sticky plastic insulation tape, black tape, solder, flux, wood, brick, etc.
2.2 the main equipment:
2.2.1, tape measure, line drop, chalk line pencil bags, bucket, steel wire brush.
2.2.2 common electrician tools, soldering iron, burner, tin tin pot, spoon, hammer and chisel.
2.2.3 hand electric drill, impact drill, hammer, megohm meter, multimeter, tool bag, tool box, high stool.
2.3 operation conditions:
2.3.1 in civil engineering structure construction stage, should according to the size of the design position embedded wooden brick and pipe wall.
2.3.2 for inner decoration completed, all can wiring.
3 operation process
3.1 process:
Embedded wooden brick and protecting tube
Elastic column porcelain, porcelain wire for wire line inspection
Fixed installation location bottle connection insulation shake test
Embedded plastic tube expanding
3.2 play line positioning:
3.2.1 flare line location shall meet the following requirements:
3.2.1.1 porcelain column layout, the minimum distance between the wire line and the fixed point maximum distance are shown in table 3-21.
3.2.1.2 porcelain wiring, the minimum distance between the wire line and the maximum distance between the fixed point are shown in table 3-22.
Porcelain wiring line to line and allow the distance between the fixed point (mm) table 3-22
3.2.1.3 lines meet with other pipe should be avoided. Close to installation, the minimum distance see 3-1, as shown in section 3.5.
3.2.1.4 indoor along the walls, ceiling, support a fixed point distance are shown in table 3-23.
Indoor along the walls, ceiling, support a fixed point distance table 3-23
Guide line
Wire core section (was)
1 ~ 4 6 ~ 10 16 ~ 25 to 35 ~ 70 95 ~ 120
Maximum allowable distance (mm)
Porcelain column (pearl) wiring
Porcelain with line 1500
2000, 2000,
2500, 3000,
3000
6000
6000
3.2.1 porcelain stone column and the porcelain fixed on the bracket, the fixed point spacing are shown in table 3-24.
3.2.1.6 indoor and outdoor installation, insulation to the minimum distance of the ground wires are shown in table 3-25.
3.2.1.7 indoors using porcelain porcelain of column and wiring, lead to the buildings on the surface of the minimum distance should be not less than 10 mm.
Laying the insulation of the wire insulation support pieces on its support point spacing table 3-24
Wire core minimum cross section (was) insulation wire support point spacing
Copper wire aluminum wire (mm)
1.0
1.5 1.5
2.5
1.0
1.5 2.5
2.5
2.5
2.5 4
6, 6000 or less
12000 or less
Indoor and outdoor installation at the minimum distance of the ground 3-25
Laying the type most small distance (mm)
Inside the room
Outside the room 2500
2700
Inside the room
Outside the room 1800
2700
3.2.1.8 conductor in turn, branch and into the electric appliance, shall furnish support is fixed. Support and turning point, the branch points and electrical appliance wiring on the edge of the distance in porcelain column should be 60 to 100 mm.
3.2.1.9 outdoor wiring when across the pavement, wire above the ground height should not be less than 3.5 m; Across the traffic road should not be less than 6 m.
3.2.1.10 outside, and porcelain porcelain column directly fixed on metope, the fixed point spacing should be not more than 2 m.
3.2.2 flare line positioning methods: please see section 3, 9, 3.2 9.4.2 related content.
3.3 embedded this brick and protecting tube, please see section 3, 9, 3.3 the relevant content.
3.4 embedded plastic bulge: please see section 3, 9, 3.4 the relevant content.
3.5 and porcelain porcelain column is fixed:
Fixed porcelain column and porcelain can use brick of wood, plastic bulge and the bracket.
3.6 wire laying:
3.6.1 conductor installation method:
To disconnect the length of the tie line according to the required, into a small beam. Then lead let go and straighten, began to tie back by the end fixed on the porcelain column (bottle), of which the porcelain column (bottle) of bound method has two kinds, stress porcelain column (bottle) using the "double take" bound method; Gears porcelain column (bottle) by using "spend" tie. After the binding is firm should be straightening, to end porcelain column (bottle), graphite tightly tied back. From top to bottom, the detailed binding. Finally tie among fixed fulcrum, wire fixation after appropriate allowance shall be maintained.
3.6.2 wire laying requirements:
3.6.2.1 distance between the wires should comply with the relevant provisions of section 3.2. Two adjacent wire should be in two or porcelain porcelain column in the same direction (left or right) or wire should be in two or the outer edge of the porcelain insulator, porcelain column is not allowed in the medial as shown in figure 3-53.
3.6.2.2 wire branch, the branch point must be equipped with porcelain column or porcelain, used to support the tension of branch line, as shown in t approach as shown in figure 3-54.
3.6.2.3 wires in the corner, or porcelain porcelain column installed as shown in figure 3-55.
3.6.2.4 conductor cross with heat pipe (pipe), must be jacketed pipe insulation, insulation pipe at both ends of the porcelain column
(pearl) or fixed porcelain. As shown in figure 3-56 and 57 is shown in figure 3 -.
3.6.2.5 conductor in electric appliance, switch and outlet, should be at 100 mm from the fixed by a porcelain column or porcelain for wire wear wall is shown in figure 3-58 and shown in figure 3-59.
3.6.2.6 porcelain column or porcelain wiring, terminal of the back tie volume and the volume are shown in table 3-26.
3.6.2.7 tie wire should be used according to the conductor cross section selection, see table 3-27.
Male and single volume table 3-26
Conductor cross-section (was) 1.5 ~ 2.5 4 ~ 25 to 35 ~ 70 95-120
Male volume 8 12 16 to 20
Single volume 5 5 5
Wire and cable tie choice data table table 3-27
Conductor cross-section binding wire diameter (mm)
(was) iron binding wire copper binding wire aluminum wire
The < 10
10 to 35
50 ~ 70
95 0.8 or higher
1.2
1.0
1.4
2.0
2.6 2.0
2.0
2.6
3.0
3.7 wire connection:
3.7.1 screw connections button:
Every branch in the process of wiring, tapping shall be set aside terminal stud, and on the junction of porcelain column or porcelain
Both sides to tie it back, again to tie up the branch line. Please see section 3, 8, 3.8 the part.
3.7.2 LC secure line pressing cap connection request, please see section 3, 8, 3.8 the part.
3.7.3 copper-clad aluminum casing pressure welding, please see section 3, 8, 3.8 the part.
3.8 line inspection and insulation test, please see section 3, 8, 3.11 the relevant content.
4 quality standards
4.1 ensure project
4.4.1 porcelain and wire specifications and quality must comply with the design requirements and the relevant provisions.
Between 4.1.2 wires and wire to ground insulation resistance value must be greater than 0.5 M Ω.
Methods: to check the factory certificate; The measured or check insulation shake test record.
4.1.3 wires are strictly forbidden to twisting, die bending and the defects such as insulation damage.
Inspection method: to observe the examination.
4.2 the basic items:
2 porcelain and its bracket installation is firm, can not have the phenomenon such as porcelain porcelain or damage inversion; Conductor or porcelain fixed point spacing correct; Porcelain and stent neatly, surface cleaning, paint is complete.
Inspection methods: observation and lever.
4.2.2 wire laying
4.2.2.1 wire flat and tidy, porcelain fixed and reliable; Across the beam, wall, floor and across other lines, pipes, fashion protection tube; After building wire fixed reliable, the deformation of joints and had compensation allowance.
4.2.2.2 wire connection is firm, bandage tightly, good insulation, not wound wire core and tapping is not subject to tension.
4.2.2.3 Angle and the branch conductor neat, into the electric appliance insulation deal with good.
Inspection method: to observe the examination.
4.3 allowable deviation projects:
4.3.1 the distance between the wire line and the fixed point spacing of allowable deviation
4.3.1.1 line: the distance between level laying lines to 10 mm; Vertical lay lines to 5 mm.
4.3.1.2 fixed point spacing allowable deviation of 50 mm.
4.3.2 inside with a porcelain column or porcelain insulator should be arranged on the same straight line, the line should be at right angles to the line.
4.3.3 wire can not have slack phenomenon. Run level, flat degree of allowable deviation 10 mm; Vertical run, flat allowable deviation degree of 5 mm.
Inspection methods: observation, feet quantity check.
5 finished product protection
5.1 wiring shall not damage the ground, metope and ceiling, and shall keep the parts clean.
5.2 installation of electrical appliances, shall not touch the loose laying up the wires.
5.3 when fastening screws, do not apply force too hard, in order to avoid the porcelain fracture.
May not again after 5.4 line installation of spray and brush oil, prevent pollution of the wires.
6 should pay attention to quality problems
6.1 individual porcelain porcelain surface is not clean and there is any breakage phenomenon. Porcelain, when installation should be scoured off the dirt from the surface, in a timely manner will be replaced damaged porcelain.
6.2 porcelain fixed unsuitable to apply wood screw fixed porcelain, nails and glue method is strictly prohibited.
6.3 deformation seam on both sides of the conductor is not equipped with fixed porcelain, should according to the requirements in a timely manner their make-up and wires should have compensation allowance.
6.4 conductor is too loose, exceed allowable deviation, should be adjusted in time, make it meet the requirements.
6.5 binding wire, will use the bare wires as the cable tie. Plastic insulated wire plastic cable tie must be used for binding.
6.6 the branch the wires, shall not be mounted fixed porcelain. Shall promptly do their make-up, ensure the wire is not affected by lateral strain.
6.7 wire junction, welding kits do not conform to the requirements, please see section 3, 8, 3.8 the relevant content.
7 quality records
7.1 insulation wire factory certificate.
7.2 column porcelain, porcelain wiring project engineering, self-inspection, mutual inspection records.
7.3 design changes regarding the record, record drawings.
7.4 (pearl) and the porcelain porcelain, porcelain column wiring subentry engineering quality inspection records.
7.5 electrical insulation resistance test records.
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