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Westinghouse
I. L. 42-227
INSTALLATION
OPERATION
MAINTENANCE
INSTRUCTIONS
SWITCHBOARD WAlTHOUR METERS
IN FT-21 FLEXITEST CASE
TYPES 048-F, 04B-2F, 04B-3F, 04B-7F,
048-SF
TYPE
D4B-7f
Application Chart
Circuit
Type
No.
Stators
Application
D4B-l·
I
1
Phase, 2 or 3 Wire
D4B-2F
2
1,
2 or 3 Phase, 3 Wire
D4B-3F
3
3 Phase, 4 Wire Wye
D4B-7F
2
3 Phase, 4 Wire Delta
D4B-8F
2 Split Coil
3 Phase, 4 Wire Wye
All possible contingencies which may arise during installation, operation or maintenance,
and all details and variations of this
equipment do not purport to be covered by these instructions. If further information
is desired by purchaser regarding his
particular installation, operation, or maintenance of his equipment, the local Westinghouse Electric
Corporation representative
should be contacted.
NOVEMBER
1977
Supersedes I. L. 42-227 dtd August
1977
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