 | New York (N.Y.) - 1922 - 636 стор.
...fireproof base, and in full view and reach of the attendant. § 210. Storage or primary batteries. — -a. When current for light and power is taken from primary...same general regulations must be observed as apply to similar apparatus fed from generators developing the same difference of potential. b. Storage battery... | |
 | 1891 - 738 стор.
...provided the connection from tbe dynamo for each circuit shall be a double-pole switch so arranged tbat only one of the circuits can be in use at the same...MISCELLANEOUS. 1. The wiring in any building must teat free from " grounds" before the current is turned on. This test may be made with a magneto that... | |
 | Calvin Franklin Swingle - 1906 - 488 стор.
...a fireproof base, and in full view and reach of the attendant. 10. Storage or Primary Batteries. n. When current for light and power is taken from primary...same general regulations must be observed as apply to similar apparatus fed from dynamo generators developing the same difference of potential. b. Storage... | |
 | New York (N.Y.) - 1913 - 254 стор.
...a fireproof base, and in full view and reach of the attendant. 10. Storage or Primary Batteries. a. When current for light and power is taken from primary or secondary batteries, the same "'eneral regulations must be observed as apply to JO. Storage or Primary Batteries — Continued, similar... | |
| |
When current for light and power is taken from primary or secondary batteries, the same general regulations must be observed as apply to similar apparatus fed from dynamo generators developing the same difference of potential. 
