TY  - BOOK
AU  - Williams, Noel
TI  - Limited energy systems: a guide to alarm, signaling, remote-control and communications circuits 
SN  - 0-87765-519-7
U1  - 621.3815  
PY  - 2002///
CY  - USA
PB  - NFPA International
KW  -  Electric circuits
KW  -  Electrical engineering
KW  - Safety regulations
KW  - Remote control
KW  - Fire alarms
KW  -  Electric cables
N1  - includes bibliography, index; 600-699
ER  -