A Suggested Unit Course, Marine Electrical Construction (for Beginning Instruction)

A Suggested Unit Course, Marine Electrical Construction (for Beginning Instruction)

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Dept. of Public Instruction. GLOSSARIES A. List of Drawing; Symbols Sheet 5 of 10 SYMBOL ____ 4T f4T| ... 3-PHASE MAINS (SIZES AS SPECIFIED) FEEDER JUNCTION BOX, N.W.T., 0-30a FUSES, 3J-60a FUSES, 250v. 3-PHASE MAINanbsp;...


Title:A Suggested Unit Course, Marine Electrical Construction (for Beginning Instruction)
Author:Pennsylvania. Dept. of Public Instruction
Publisher: - 1943
ISBN-13:

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