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Volume 8 – Mechanical and Electrical Services - Malaysia Geoportal

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Chapter 7 ELECTRICAL SERVICES<br />

APPENDIX 7C CORRECTION FACTORS FOR AMBIENT TEMPERATURE<br />

Correction factors for ambient temperature where protection is against short- circuit.<br />

NOTE: This table appliers where the associated overcurrent protective device is intended to provide<br />

short-circuit protection only. Except where the device is a semi-enclosed fuse to BS 3036 the table<br />

also applies where the device is intended to provide overload protection.<br />

NOTES:<br />

1). Correction factors for flexible cords <strong>and</strong> for 85°C or 105°C rubber- insulated flexible cables are<br />

given in the relevant table of current- carrying capacity.<br />

2). This table also applies when determining the current-carrying capacity of a cable.<br />

March 2009 7A-3

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