1st & 2nd lights are on 2 way switching
Wiring at 2nd light:
1x 3 core & earth = Mains Supply:
Perm Live to Switch, Perm EM Live, Neutral, & Earth
1x 3 core & earth = To/ From 1st Light:
Perm EM Live to 1st light, Switched Live to 2nd Light, Neutral to 1st light, & Earth
1x T+E = 2 Gang Switch Feed:
Perm Live & Neutral & Earth to 2 Gang Switch
1x T+E = Smoke alarm feed:
Perm Live, Neutral & Earth
Wiring at 1st Light:
1x 3 core & earth = Switched Lives from 2 Gang Switch:
Switched Live for 1st Light, Switched Live for 2nd Light, & Switched Live for spot light
1x 3 core & earth = To/ From 2nd Light:
Perm EM Live to 1st Light, Switched Live to 2nd Light, & Neutral
1x T+E = Feed to Spot Light:
Switched Live, Neutral, & Earth for Spot Light
Wiring at 2 Gang Switch:
1 x T+E = Mains Feed:
Perm Live, Neutral, & Earth to Switches
1x T+E = Supply to Hall lights:
Perm Live, Neutral, & Earth
1x 3 core & earth = Switched lives to lights
Switched Live for 1st Light, Switched Live for 2nd Light, & Switched Live for spot light
1x 3 core & earth = 1st cable to 3 Gang switch:
Perm Live to 3 Gang Switch, 2x strappers to 3 Gang switch for 1st Light, & earth
1x 3 core & earth = 2nd cable to 3 Gang switch:
Switched Live for spot light, 2x strappers to 3 Gang switch for 2nd Light & earth
Wiring at 3 Gang Switch:
1x 3 core & earth = 1st cable to 2 Gang switch:
Perm Live to 3 Gang Switch, 2x strappers to 2 Gang switch for 1st Light, & earth
1x 3 core & earth = 2nd cable to 2 Gang switch:
Switched Live for spot light, 2x strappers to 2 Gang switch for 2nd Light & earth