Under 46 CFR §111.106-3, lighting circuits serving explosion-proof or flameproof lighting fixtures in an enclosed hazardous space must meet several requirements. Which of the following is specifically required by that section?

1. A. The switch and overcurrent device must be located inside the hazardous space for immediate access during emergencies
2. B. A single lighting branch circuit is acceptable provided it is rated for 125 percent of the connected load
3. ✓ The switch and overcurrent protective device must open all ungrounded conductors of the circuit simultaneouslyCorrect
4. D. Lighting fixtures must be individually fused at the fixture to prevent total loss of illumination from a single fault