▁voc ational ▁education . ▁The ▁school ▁develop s ▁entry - level ▁skills ▁for ▁the ▁building ▁tr ades , ▁specifically ▁pl umb ing , ▁elect rical ▁installation ▁and ▁building ▁maintenance . ▁ ▁The ▁Elect rical ▁Install ation ▁program ▁includes ▁elect rical ▁theory ▁and ▁codes ; ▁reading ▁of ▁blue print s ▁and ▁sch emat ics ; ▁low ▁voltage ▁( 8 ▁Vol ts ▁to ▁ 2 4 ▁Vol ts ) ▁bell ▁and ▁inter com ▁systems ; ▁ 1 2 0 ▁to ▁ 2 4 0 ▁Vol t ▁single - phase ▁and ▁three - phase ▁systems ; ▁pipe ▁b ending ; ▁service ▁work ▁( elect rical ▁pan els , ▁meter ▁p ans ; ▁proper ▁ground ing ▁and ▁bond ing .) ▁Gr adu ates ▁of ▁the ▁ 6 0 0 - hour , ▁- month ▁acc red ited ▁elect rical ▁program ▁receive ▁cred its ▁towards ▁their ▁Master ▁Electric ian ' s ▁License . ▁ ▁The ▁Com pre h ensive ▁Pl umb ing ▁program ▁includes ▁sol der ing , ▁thread ing , ▁and ▁running ▁of ▁pip es ; ▁installation ▁of ▁van ity ▁kitchen ▁and ▁bath room ▁fi xt ures ; ▁is ometric ▁draw ings ; ▁blue print ▁reading ▁and ▁codes ; ▁bo iler ▁and ▁water ▁he ater ▁installation , ▁etc . ▁ ▁A ▁Building ▁Main ten ance ▁program ▁is ▁not ▁currently ▁offered ▁by ▁the ▁school . ▁ ▁Origin ally , ▁the ▁school ▁was ▁one ▁of ▁the ▁first ▁trade ▁schools ▁to ▁teach ▁pl umb ing ▁installation ▁in ▁the ▁country . ▁Mr . ▁Ir ving ▁Ber k ▁was ▁a ▁pl umber