Despite not being sold anymore in 2025, gear trays for these luminaires still are. The Trojan Square was a simple, robust bulkhead light for indoor or outdoor applications, reflected by their IP65 ingress-protection rating. A round version of this Bulkhead was also sold as the Trojan Round Galaxy (documented separately).

Tamworth

Some Trojan Squares (as well as Trojan Round Galaxys) were employed to replace Coughtrie SFB16s on a residential site off Wandsbeck, Tamworth. The outline of the old Coughtrie Bulkhead is still present.