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immediate downloadReleased: 1970-12-11
BS 1090:1970
Specification for flameproof hand-held electric drilling machines primarily for use in mines
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| Standard number: | BS 1090:1970 |
| Pages: | 12 |
| Released: | 1970-12-11 |
| ISBN: | 0 580 06365 8 |
| Status: | Standard |
DESCRIPTION
BS 1090:1970
This standard BS 1090:1970 Specification for flameproof hand-held electric drilling machines primarily for use in mines is classified in these ICS categories:
- 29.260.20 Electrical apparatus for explosive atmospheres
ThIS British Standard applies solely to flameproof hand-held electric drilling machines intended primarily for shot-hole drilling in mines.
Construction, motor, switch, cable termination, drill chuck; limits of temperature rise, motor torque, current; high voltage test; mechanical, electrical endurance tests; marking.