This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.

This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.

This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.

This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.

This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.

This installation has wiring colours to two versions of BS7671.

Great care should be taken before undertaking extension, alteration or repair that all conductors are correctly identified.