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GB/T 7957-2017
GB/T 7957-2017 General requirements for construction,performance and explosion protected testing of caplights for use in mines susceptible to firedamp
Abstract
This standard specifies the product classification, requirements, test methods, inspection rules, and markings for mining lamps used in gas environments. This standard applies to mining lamps used in coal mine gas environments (Category I), including mining lamps that are connected to other equipment and supply power to other equipment.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 7957-2017 |
| CCS | Explosion-proof electrical appliances |
| ICS | Electric equipment for use in explosive environments |
| Implement Date | 2017-12-29 |
Price
$ 57
Subtotal
$ 57
Tax
$ 0.00
Order Total (incl. tax)
$ 57