PD 6499:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Guide to insulation co-ordination within low-voltage systems including clearances and creepage distances for equipment
Hardcopy , PDF
15-10-1995
English
31-08-1981
Cooperating organizations
National foreword
Introduction
Section one - General and definitions
1 Scope
2 Object
3 Definitions
Section two - Insulation co-ordination
4 Basic principles of insulation co-ordination
Section three - Clearances in air
5 Influencing factors
6 Description of the fundamental factors influencing
clearance
7 Description of the other factors which may influence
a clearance
8 Dielectric tests
Section four - Creepage distances
9 General
10 Specification of the influencing factors
11 Dimensioning of creepage distances
12 Measurement of creepage distances and clearances
Appendices
A Altitude correction factors
B Transient overvoltage control means (surge arrestor
devices)
C Example of dimensioning procedure for clearances and
creepage distances
Explanatory note
Application guide for clearances and insulation
co-ordination based on clearance
States a principle of insulation co-ordination based upon a series of standardized impulse withstand voltage levels related to the dimensioning of clearances and creepage distances. Intended as a guide for technical bodies.
| Committee |
PEL/99
|
| DocumentType |
Standard
|
| Pages |
80
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| IEC 60664:1980 | Identical |
| IEC 60664A:1981 | Identical |
| BS 5424-2:1987 | Low-voltage controlgear Specification for semiconductor contactors (solid state contactors) |
| BS EN 60687:1993 | Specification for alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S) |
| BS 6941:1988 | Specification for electrical apparatus for explosive atmospheres with type of protection N |
| 95/107917 DC : 0 | MACHINERY AND PLANT FOR THE PREPARATION OF CONCRETE AND MORTAR - SAFETY REQUIREMENTS |
| 93/210506 DC : DRAFT AUG 1993 | EN 50156 ELECTRICAL EQUIPMENT FOR FURNACES - PART 1 RULES FOR INSTALLATION (PREN 50156-1) |
| BS 7002:1989 | Specification for safety of information technology equipment including electrical business equipment |
| BS 7354:1990 | Code of practice for design of high-voltage open-terminal stations |
| BS 7647:1993 | Specification for radio teleswitches for tariff and load control |
| BS 6972:1988 | Specification for general requirements for luminaire supporting couplers for domestic, light industrial and commercial use |
| BS 7452:1991 | Specification for separating transformers, autotransformers, variable transformers and reactors |
| BS EN 50059:1991 | Specification for electrostatic hand-held spraying equipment for non-flammable material for painting and finishing |
| BS 5724-2.15:1989 | Medical electrical equipment. Particular requirements for safety Specification for capacitor discharge X-ray generators |
| BS QC 960000:1992 | Harmonized system of quality assessment for electronic components. Electromechanical switches for use in electronic equipment. Generic specification |
| BS EN 61037:1993 | Electricity metering. Tarriff and load control. Particular requirements for electronic ripple control receivers |
| BS EN 61180-1:1995 | High-voltage test techniques for low-voltage equipment Definitions, test and procedure requirements |
| IEC 60099-1:1991+AMD1:1999 CSV | Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems |
| IEC 60071-1:2006+AMD1:2010 CSV | Insulation co-ordination - Part 1: Definitions, principles and rules |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.