| 3.5.1 |
Electrical installations must have effective earthing arrangement. To ensure safety, do not remove any earthing connection. |
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| 3.5.2 |
Concealed electrical wiring of new electrical installations must have suitable mechanical protection (e.g. conduits). |
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| 3.5.3 |
Electrical wiring must be segregated from telephone / telecommunication wiring. The wiring of these two categories must not be installed inside the same conduit or trucking unless specific safety requirements are complied with. |
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| 3.5.4 |
Distribution boards must have identification labels to indicate the purposes of individual circuits. |
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| 3.5.5 |
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An electrical appliance with high power consumption should receive power supply from a single socket outlet. Therefore, sufficient nos. of socket outlets should be installed. |
| 3.5.6 |
Any socket outlet installed in a bathroom must be at least 0.6 metre away from any shower basin and bathtub. |
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| 3.5.7 |
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Socket outlets should be installed as far away as practicable from any water tap, gas tap and cooking range. |
| 3.5.8 |
Circuits for socket outlets must be protected by a residual current device (RCD) (also called "earth leakage circuit breaker (ELCB)"). |
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| 3.5.9 |
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Outdoor luminaires, socket outlets and switches must be of weatherproof types. |
| 3.5.10 |
For the luminaire, exhaust fan and electric water heater inside a bathroom, the on/off switches should be installed outside the bathroom. |
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| 3.5.11 |
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For more safety requirements on electrical installations, you may consult registered electrical contractors / workers. |
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