TY  - BOOK
ED  - Institution of Electrical Engineers
TI  - Guidance note on isolation and switching
SN  - 0852965362
U1  - 621.31924 21
PY  - 1992///].
CY  - [London]: 
PB  - [Institution of Electrical Engineers], 
KW  - Electric wiring, Interior
N1  - Edition 16 wiring regulations; Includes index
ER  -