Estate's Electricals

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Under the law, all estates have to engage a Licenced Electrical Worker (LEW) to handle all the electrical switchgears in the estate.

Typically in an estate, there is a substation with 415V 3 phase electricity supply coming into the estate. This supply is connected to a switchgear in the substation. Electricity going out of this switchgear is then distributed out across the estate to a few major points (switchboards) and also to the individual units. Your LEW is suppose to help your estate manage this electrical installation. The 415V switchgear is dangerous and only trained personnel like the LEW are allowed to operate it. In fact, no one is suppose to be allowed into the substation except the LEW. As part of the LEW’s duties, a half-yearly inspection is needed from him/her by the Energy Markets Authority (EMA). For this reason, the estate has to pay the LEW an annual retainer fee. In addition, the estate has to apply for a licence to operate this electrical installation and to renew the licence annually. Failure to do so would incur penalties.

For the minor installations like lights, 3 pin sockets etc, the electrical voltage is 230V, single phase and the current normally doesn’t exceed 13A per outlet. For such installations, the estate can engage an electrician to change or repair the installation. The LEW is not needed.

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