Electrical inspection processes and techniques differ and often are dictated by construction conditions. Using the NEC Electrical Toolkit is a guide to help out.
Within the NEC there are numerous electrical installation requirements that apply specifically to one-, two-, and multi-family dwellings.
Renovating those older systems adds flexibility through modern wiring practice and increases safety.
Yes, light curtains are Listed under the category Active Opto-Electronic Protective Devices (NIPF) in the UL White Book