Corresponding norms for acceptance criteria for electrical incoming materials
The conclusion of the inspection of major equipment, materials, finished and semi-finished products should be documented to confirm compliance with the provisions of this specification
before they can be applied in the construction.
1, due to objections sent to a qualified laboratory for sampling and testing, the laboratory shall issue a test report to confirm compliance
with the provisions of this specification and relevant technical standards before being applied in the construction.
2, in accordance with the statutory procedures approved to enter the market of new electrical equipment, appliances and materials into the acceptance, in addition to compliance with the
Specification, but also should provide the installation, use, maintenance and testing requirements and other technical documents.
3, imported electrical equipment, appliances and materials into the acceptance, in addition to compliance with the provisions of this specification, should also provide proof of commodity inspection and Chinese quality certification documents, specifications, models, performance test reports and Chinese installation,
use, maintenance and testing requirements and other technical documents.
4, approved by the inspection-free products or recognized brand-name products, when the field acceptance, it is appropriate not to sample test.
5, transformers, box-type substation, high-voltage appliances and electric ceramic products shall comply with the following provisions:
(1) check the certificate of conformity and accompanying technical documents, transformers have factory test records;
(2) appearance check: nameplate, complete accessories, no defects in the insulating parts, cracks, oil-filled part of the oil is not leaking,
inflatable high-pressure equipment, the air pressure indicator normal, the coating is complete.
6, high- and low-voltage power distribution cabinets, battery cabinets, uninterruptible power supply cabinets, control cabinets (screen, table) and power
Expanded
Lighting distribution box (plate) should be in accordance with the following provisions:
1 check the certificate of conformity and the accompanying technical documents, the implementation of production licenses and safety certification system of the product
The license number and safety certification mark. Uninterruptible power supply cabinet has factory test records;
2 Appearance check: there is a nameplate, the cabinet components are not damaged and lost, wiring is not off welding, battery cabinet battery shell is not broken, leakage, oil filling, filling equipment, no leakage, the coating is intact, there is no obvious collision depression
Sink.
Diesel generator sets should comply with the following provisions:
1 According to the packing list, check the host, accessories, special tools, spare parts and accompanying technical documents,
Check the certificate of conformity and the factory commissioning records, generators and their control cabinets have factory test records;
2 Appearance check: there is a nameplate, the body of the body is not missing parts, the coating is complete.
Electric motors, electric heaters, electric actuators and low-voltage switchgear, etc. shall comply with the following provisions:
1 Check the certificate of conformity and accompanying technical documents, the implementation of the production license and safety certification system of the product,
with the license number and the safety certification mark;
2 Appearance check: there is a nameplate, complete attachments, the electrical wiring terminals intact. Equipment devices are not defective,
coating is complete.
Lighting fixtures and accessories should comply with the following provisions:
1 check the certificate of conformity, the new gas discharge lamps have accompanying technical documents;
2 appearance check: lamps and lanterns coating is complete, no damage, complete accessories. Explosion-proof lamps and lanterns on the nameplate explosion-proof
sign and explosion-proof certificate number, ordinary lamps with safety certification mark;
3 sets of lamps and lanterns insulation resistance, internal wiring and other performance on-site sampling and testing. Lamp insulation resistance value of not less than 2MΩ, internal wiring for copper core insulated wire, core cross-sectional area of not less than 0.5mm2, rubber or polyvinyl chloride (PVC) insulated wire insulation thickness of not less than 0.6mm.
Swimming pools and similar venues lamps and lanterns (underwater lamps and waterproof lamps and lanterns) of the airtightness and insulation performance of the objections, according to the batch of samples sent to a qualified laboratory testing.
Switches, sockets, junction boxes and fans and their accessories should be in accordance with the following provisions:
1 check the certificate of conformity, explosion-proof products have explosion-proof signs and explosion-proof certificate number, the implementation of the safety certification system
products have a safety certification mark;
2 appearance check: switches, sockets, panels and junction box box body is complete, no cracks, complete parts,
No damage to the fan, the coating is intact, governor and other accessories are suitable;
3 on-site sampling and testing of the electrical and mechanical properties of switches and sockets. The testing requirements are as follows:
1) the electrical clearance and creepage distance between the charged parts of different polarity is not less than 3mm;
2) the value of insulation resistance is not less than 5MΩ;
3) the self-tapping locking screws or self-checking screws are installed, the length of the screws and the soft plastic fixtures is not less than 8mm, and after 10 times of the screwing and withdrawing test of the soft plastic fixtures, there is no loose or slag, and the screws and threads are not loose, and the screws and the threads are not loose. Dregs, screws and threads without
damage phenomenon;
4) inter-metallic phase screws and nuts, tightened completely out of the repeated 5 times can still be used normally. 4 switches, sockets, junction boxes and their panels and other plastic insulation materials such as flame retardant properties have objections, according to
batch sampling sent to a qualified laboratory testing.
Wires and cables should comply with the following provisions:
1 Check the certificate of conformity according to batch, certificate of conformity has a production license number, according to the "rated voltage 450/750V and the following PVC insulated cables," GB 5023.1 ~ 5023.7 standard production of the product has a safety certification mark;
2 Appearance Inspection: packaging intact, sampling of the wire insulation layer Complete and undamaged, uniform thickness. Cable without flattening, twisting, armoring not loose coil. Heat-resistant, flame-retardant wires, cables, the outer sheath has a clear identification and manufacturing plant
standard;
3 According to manufacturing standards, on-site sampling and testing of insulation thickness and diameter of the round core; core diameter error is not greater than 1% of the nominal diameter;
Commonly used BV-type insulated wires insulation thickness of the table is not less than the provisions of the;
On the wires, cables insulation, electrical conductivity and flame retardant properties.
When there are objections to the wire, cable insulation, electrical conductivity and flame retardant properties, according to the batch of samples sent to a qualified laboratory testing.
The conduit should comply with the following provisions:?
1 Check the certificate of conformity according to the batch;
2 Appearance inspection: steel conduit is not flattened, smooth inner wall. Non-galvanized steel conduit without serious corrosion, according to manufacturing standards paint factory paint intact; galvanized steel conduit plating coverage is complete, no rust spots on the surface; insulated conduit and fittings are not broken, the surface of the flame-retardant marking and manufacturing plant labels;
3 according to the manufacturing standards of the site sampling and testing of conduit pipe diameter, wall thickness and uniformity. If there is any objection to the flame retardant performance of the insulated conduit and fittings, the samples shall be sent to qualified laboratories for testing according to the batch.
Steel profiles and welding rods shall comply with the following provisions:
1 Check the certificate of conformity and material certification by batch; if there are objections, send samples by batch to a qualified laboratory for testing;
2 Appearance inspection: steel profiles without serious corrosion on the surface, no excessive distortion, bending and bending deformation; welding rods complete packaging, unpacking and sampling, welding rods without rust spots on the end of the package.
Galvanized products (bracket, cross stretcher, grounding electrode, lightning steel section, etc.) and external wire fittings should comply with the following provisions:
1 Check the certificate of conformity or galvanized quality certificate issued by the galvanizing plant;
2 Appearance check: galvanized coating coverage is complete, no rust spots on the surface, the fittings are complete, no grit; 3 on the quality of the galvanized objections to the batch of samples sent to qualified test laboratory testing.
Cable bridges, trunking should comply with the following provisions:
1 Check the certificate;
2 Appearance check: complete parts, smooth surface, no deformation; steel bridge coating is complete, no rust; glass steel bridge color uniformity, no broken cracks; aluminum alloy bridge coating is complete, no distortion deformation, no flattening,
surface is not scratched.
.