Electrical Engineering Curriculum
Module from the Electrical Engineering Curriculum curriculum.
Module 8 - Lighting and Receptacles · Learning Objectives · 1. Apply IES illumination levels by task · 2. Select fixtures for Class I hazardous areas (XP, increased safety) · 3. Specify emergency and egress lighting per NFPA 101 · 4. Use LED for energy and reduced bulb maintenance in refinery · 5. Install receptacles with GFCI per NEC 210.8 · IES Illumination Levels (fc)
| Location | Foot-Candles | Lux Equivalent | Source Type | Notes | Ref |
|---|---|---|---|---|---|
| General process area | 5-10 | 50-100 | HID or LED | Walkways | IES RP-7 |
| Pump area | 10-20 | 100-200 | LED preferred | Maintenance visibility | IES |
| Control room | 50-75 | 500-750 | LED indirect | Task + comfort | IES |
| Instrument shop | 75-100 | 750-1000 | LED | Fine work | IES |
| Laboratory | 75-100 | 750-1000 | LED | Color rendering CRI >85 | IES |
| Tank farm road | 0.5-1.0 | 5-10 | HID or LED | Limited ambient | IES |
| Loading rack | 10-20 | 100-200 | LED (hazardous) | Task lighting | IES |
| Outdoor plant area | 2-5 | 20-50 | HID or LED | Overall lighting | IES |
Source: Electrical_Engineering_Curriculum_v1.xlsx · Sheet: Lighting
© 2026 Inflection Point Engineering, LLC. All rights reserved. The content of this page — including calculation methods, reference data, written analysis, interactive tools, and source code — is the intellectual property of Inflection Point Engineering, LLC and is protected under applicable copyright, trademark, and trade secret laws. Unauthorized reproduction, redistribution, modification, or derivative use in whole or in part is prohibited without prior written consent.
Disclaimer. This material is provided for informational and educational purposes only and does not constitute professional engineering advice. Calculations, reference data, and methodologies are based on published standards and accepted engineering practice but are not a substitute for engineering judgment, site-specific analysis, or review by a licensed Professional Engineer. Inflection Point Engineering, LLC makes no warranties, express or implied, regarding the accuracy, completeness, or fitness for a particular purpose of any content presented here, and shall not be liable for any direct, indirect, incidental, or consequential damages arising from its use. Users assume all risk associated with applying this content to real-world design, operations, or decisions.
© 2026 Inflection Point Engineering, LLC. All rights reserved.