TY  - BOOK
AU  - Watkins,A.J.
AU  - Kitcher,Chris
TI  - Electrical installation calculations: Basic for Technical Certificate Level 2 
SN  - 9781856176651
AV  - TK3271 .W37 2009
PY  - 2009///
CY  - Oxford
PB  - Newnes,.
KW  - Electric circuits
KW  - Electronics
KW  - Tables
N1  - Use of calculators -- Simple transposition of formulae -- SI units -- Conductor colour identification -- Areas, perimeters and volumes -- Space factors -- Coulombs and current flow -- Circuit calculations -- Internal resistance -- Resistivity -- Voltage drop -- Power in d.c. and purely resistive  a.c. circuits -- Mechanics -- Power factor -- Transformers -- Electromagnetic effect -- Self-inductance -- Mutual inductance -- Cable selection -- Earth fault loop independence -- Materials costs, discounts and VAT -- Electrostatics -- Formulae.
ER  -