Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC Ingestion-build-71203 NOTE: General design characteristics for

NOTE: General design characteristics for calliper depth gauges have been removed from this edition and now appear in the revised version of the generic measuring instruments standard BS EN ISO 14978:2018 Geometrical product specifications (GPS)

IEC 68-1:1988

regardless of the number of personnel

glass reinforced plastics (GRP) rockbolts

test piece size and performance of the measuring device

Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC Ingestion-build-71203 NOTE: General design characteristics for1 Scope IEC TS 62993 , which is a Technical Specification, gives guidance to technical committees which deal with equipment having a rated voltage of more than 1 000 V AC and up to 2 000 V AC, or a rated voltage of more than 1 500 V DC and up to 3 000 V DC. rated voltages up to 1 000 V AC and 1 500 V DC, as well as higher or lower internal voltages, are covered by IEC 606641. This document applies to equipment for use up to 2 000 m above sea level,