RECESSED PVC CONDUIT PIPE WIRING SYSTEM WITH FLUSH PIANO TYPE SWITCHES: Wiring in PVC insulated copper conductor single core FR cable (ISI marked), 1100volts grade to be laid in heavy gauge,PVC, fire retardant conduit pipe 20 mm/25 mm dia ,ISI Marked, recessed in wall etc., complete with powder coated/anodized concealed metal boxes required for having electronic fan regulators (socket size), bell push, electronic buzzer, 3pin 6Amp., 3pin 16/20 Amp. Sockets and 6 Amp./16/20Amp. Swithces (flush piano type accessories) etc. and covered with brown bakelite white glazed translucent backside painted sheet 3mm thick etc., & including the cost of flush piano type switches/sockets, step type electronic fan regulator 100 watts, PVC connector (For Fan Box and Electronic Buzzer), PVC Bush, Steel Hooks, Circular Inspection Box (Recessed Type and Deep Type) conduit pipe & copper wire and other petty material etc. including the cost of cutting and filling up of chases:- Wiring call-bell point in PVC insulated copper conductor single core FR cable (ISI marked) overall 1.5 sq. mm, 1100volts grade with bell push and electronic buzzer 230 volts AC (including the cost of bell push, electronic buzzer & powder coated concealed metal box for electronic buzzer).