Identification of electrical equipment and devices : MSB - main switch board (HV) LPDB - lighting and power distribution board PDB - power distribution board LDB - lighting distribution board LFB - lighting feeder pillar IPS - isolated power system UPS - uninterruptible power supply MCB - miniature circuit breaker MCCB - moulted case circuit breaker ACB - air circuit breaker VCB - vaccum circuit breaker ELCB - earth leakage circuit breaker HV - high voltage MV - medium voltage LV - low voltage ELV - extra low voltage A - ampere V - voltage W - watts WAP - wireless access point ACP - access control panel SD - smoke detector LS - loud speaker AV - audio video BB - battery bank BC - battery charger BD -bus duct GCP - generator control panel GEN - standby diesel generator TR - transformer MCC - motor control centre EMCC - eme...
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