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Light Level Rooms

Reference data and engineering information about light level rooms for electrical applications.

lightlevelrooms

Overview

Engineering reference data for Light Level Rooms in electrical engineering.

Key Formulas

Ohm's Law

V=IRV = IR

Voltage = Current × Resistance.

Power

P=VI=I2R=V2/RP = VI = I^2R = V^2/R

Electrical power.

Energy

E=PtE = Pt

Energy = Power × Time.

Variables

SymbolDescriptionUnit
VVVoltageV
IICurrentA
RRResistanceΩ
PPPowerW

Data Table

14 rows
Activity / Illuminance (lx, lumen/m2) data
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Public areas with dark surroundings
Simple orientation for short visits
Areas with traffic & corridors - stairways, escalators & travelators - lifts - storage spaces
Working areas where visual tasks are only occasionally performed
Warehouses, homes, theaters, archives, loading bays
Coffee break room, technical facilities, ball-mill areas, pulp plants, waiting rooms,
Easy office work
Class rooms
Normal office work, PC work, study library, groceries, show rooms, laboratories, check-out areas, kitchens, auditoriums
Supermarkets, mechanical workshops, office landscapes
Normal drawing work, detailed mechanical workshops, operation theaters
Detailed drawing work, very detailed mechanical works, electronic workshops, testing & adjustments
Performance of visual tasks of low contrast & very small size for prolonged periods of time
Performance of very prolonged & exacting visual tasks

Source: engineeringtoolbox.com

References