Ademco - Model AD Grade A System

Model AD GRADE A wires con control bell housing run thru Box BI entering the instrument run in conduit be held in place a Romex or connector Water Pipe Polarity 6 V DC LINE 4 ma No 133 or 546 A To activate dialer dry and 13 B To activate McCulloh and add a 6V DC power above 3971 and C To use Nos 546 or 6V DC power above and