Electric lighting in factories greatly improved working conditions, eliminating the heat and pollution caused by gas lighting, and reducing the fire hazard to the extent that the cost of electricity for lighting was often offset by the reduction in fire insurance premiums.
Penerangan listrik di pabrik-pabrik sangat memperbaiki kondisi kerja, mengurangi panas dan polusi yang disebabkan oleh cahaya gas, dan mengurangi bahaya kebakaran, dimana biaya listrik untuk penerangan sering diimbangi dengan pengurangan premi asuransi kebakaran.