Appearance inspection

Manufacturing drawings and enterprise standards (technical conditions)

Dimensions and weight

Installation and connection dimensions

Electrical clearance and creepage distance

GB3836.3-4.3、 4.4 Phase to phase and shell connection after wiring, Table 4 of GB3836.4

Interlocking devices, warning signs

GB3836.1-10 Special Tool Interlocking Device

a fastening

GB3836.1-9 Anti loosening, perforation exposure, blind hole retention

Coatings and paints

Corrosion and arc resistance

Internal and external grounding

GB3836.1-15 Symbols, Materials, and Dimensions

connection

Reliable connection, neat arrangement, and distinct colors

Mechanical testing

GB3836.1-23.4.3 Impact and Drop (Some Products and Parts)

Shell protection performance test

GB3836.1-23.4.4 (Explosion proof type not tested)

Twist test of connectors

GB3836.1-23.4.5 (Torque Action)

Temperature test

GB3836.1-23.4.6 Surface Temperature, Thermal Stability of Plastic Shells, Transparent Components of Luminaires

Measurement of Insulation Resistance of Plastic Shell

Thermal upheaval

Reference device clamping test

GB3836.1-7.3.1

Damp heat test

GB3836.1 Appendix D Clamping Effect and Mechanical Strength

Rubber component aging test

GB3836.1 Appendix C Alternating Damp Heat Test

GB3836.1 Appendix D: The change in Shore hardness after aging shall not exceed 20%