The following items have been sent in by Nick Whelan. Although dated from BR days, some old information is still the best!

Obviously with the date, standards have changed, so please consult current NR documents.

Basic Electrical Signalling (Nick Whelan).pdf Basic Electrical Signalling (Nick Whelan).pdf
Size : 37868.35 Kb
Type : pdf
BS2 (Nick Whelan).pdf BS2 (Nick Whelan).pdf
Size : 46164.988 Kb
Type : pdf
Electric Principles 1 (Nick Whelan).pdf Electric Principles 1 (Nick Whelan).pdf
Size : 22213.578 Kb
Type : pdf
Electric Principles 2 (Nick Whelan).pdf Electric Principles 2 (Nick Whelan).pdf
Size : 22087.499 Kb
Type : pdf
Induction course (Nick Whelan).pdf Induction course (Nick Whelan).pdf
Size : 13735.052 Kb
Type : pdf
Lookout course (Nick Whelan).pdf Lookout course (Nick Whelan).pdf
Size : 6681.07 Kb
Type : pdf
Manual Handling (Nick Whelan).pdf Manual Handling (Nick Whelan).pdf
Size : 3846.152 Kb
Type : pdf
Relay Interlocking (Nick Whelan).pdf Relay Interlocking (Nick Whelan).pdf
Size : 15707.394 Kb
Type : pdf
System Electronics (SE) (Nick Whelan).pdf System Electronics (SE) (Nick Whelan).pdf
Size : 10964.066 Kb
Type : pdf
Telephone installation course (Nick Whelan).pdf Telephone installation course (Nick Whelan).pdf
Size : 40071.067 Kb
Type : pdf
SMTH course (Nick Whelan).pdf SMTH course (Nick Whelan).pdf
Size : 18408.475 Kb
Type : pdf
SMTH handout (Nick Whelan).pdf SMTH handout (Nick Whelan).pdf
Size : 22510.002 Kb
Type : pdf