Motorsport UK NCR 2026 #11 | Page 296

Diagram 3: Functional switching diagram example
COCKPIT
Driver Master Switch
0
P0
P1 P2
RESS Relays
MONOCOQUE
ROLL HOOP RIGHT
RELEASED PUSHED
Neutral Switch( Marshal) 1 0
Extinguisher Switch
0 1
1 Perm 0
E
PULL
Auxiliary battery 12V
12V Relay
General Circuit Breaker
Car 12V
E
PULL
ROLL HOOP LEFT
Extinguisher Switch
0 1
1 Perm 0
Extinguisher
E
COCKPIT
Driver Extinguisher Switch
1 0 0
1 Perm
Diagram 4: Fire Extinguisher Warning Symbol
Diagram 5: Marshal Neutral Switch Warning Symbol
Motorsport UK 2025 National Competition Rules Version 11
Chapter 7 Appendix 13- Charts and Diagrams 296