Technical Articles

Industrial Lighting, Relamping and FAQs

Here we've gathered a few articles discussing lighting and lighting products.

LDPI

Frequently Asked Questions About Lighting

Sunday, December 22, 2002

Why is a lamp's CRI or CCT important?
The Color Rendering Index (CRI) is the reason that the shirt and pants you thought matched so well at home seem to clash in the restroom at work. The closer the CRI of a lamp is to 100, the more "true" it renders colors in the environment. For individuals, such as graphic artists who perform tasks that require color precision or discrimination, lamps with a high CRI are recommended. Full-spectrum lamps are available that offer a CRI of over 90.

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LDPI

NEMA Plug and Receptable Configurations

Monday, June 3, 2002

Configurations for:

Straight blade plugs and receptacles
Locking plugs and receptacles
20A / 30A - 3, 4, and 5 wire locking plugs and receptacles

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LDPI

Area Classifications - Flammable Gases, Vapors and Liquids

Thursday, January 3, 2002

This document is intended as a simplified guide through hazardous and extreme conditions as found in many industrial applications. For actual installations, use the NEC/CEC code book and IEC/CECELEC approvals and wiring codes as final authority on any installation. All design should be performed by licensed professional engineers and installation should be performed by competent licensed electrical contractors.

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LDPI

Group Relamping & Maintenence vs. Spot Relamping

Saturday, December 22, 2001

Group relamping is one of the most important aspects of lighting maintenance. Based on careful planning, scheduled group relamping involves calculating the average rated life and the average output of the lamps in your fixtures.

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LDPI

Fundamentals of Paint Spray Booth Lighting

Saturday, May 1, 1999

Selecting the proper lighting for spray booth applications is critical to help optimize quality of workmanship and productivity. The type and size of the booth also has a direct bearing on the number, type, and size of the light fixtures needed to achieve proper lighting conditions. In general, the larger the size of the booth, the increased number of fixtures needed.

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