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Working Space Requirements for Electric Sign Equipment
2015-06-17 13:00:00| Electrical Construction & Maintenance
A working space not less than 3 ft high by 3 ft wide by ______ deep is required for each ballast, transformer, electronic power supply, and Class 2 power source where not installed in a sign. read more
Tags: sign
working
equipment
space
Category:Construction and Maintenance
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