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Month: June 2021

CABLE LENGTH AND FUSE SELECTION

Posted on June 7, 2021

The table above can be used as a guide to selecting a suitable fuse or breaker for a given power rating of appliance. The cable size shown is for the standard reference method C (assuming grey 70°C twin and earth) and the maximum length of the circuit is also shown. Other factors may affect your…

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SELECTING CABLE SIZE to match FUSE SIZE

Posted on June 6, 2021

Use the table above as initial guidance in your choice of cable size for the standard reference method C (assuming grey 70°C twin and earth) Other factors may affect your choice of cable size when you factor in higher ambient temperatures, different installation conditions, grouping etc.

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QUICK GUIDE TO SPURS ON SOCKETS

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Begin by deciding on the type of circuit that is already installed – RING or RADIAL Now select the correct breaker size the table will tell you … A. The minimum size CSA of cable to use B. The maximum number and arrangement of spurs for that type of circuit. C. If an FCU is…

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