EJLECTRICAL AND ELECTRONIC SYSTEMS 



53 



Table 1 

 SEALAB II ESTIMATED ELECTRICAL LOAD 



Illumination Requirements 



General — Fluorescent fixtures shall not be used. Commercial 40-watt appliance lamps 

 and 50, 75, and 100-watt rough-service lamps have been tested and have been found to be suit- 

 able for the proposed operating depth. Other types may be used provided they are suitable for 

 the proposed operating depth. 



Interior Lighting — The number and location of the lighting fixtures for general and detail 

 illumination shall be that required to provide the initial average foot-candle values specified in 

 Table I of Section 9640-2 of General Specifications for Ships of the Navy. The laboratory space 

 shall be considered as a General Workshop for general and detailed lighting requirements. 



Interior Lighting Fixtures — The lighting fixtures shall be commercial type Russell and 

 Stroll No. 370 and/or No. 351, or other suitable fixtures. The asbestos leads shall be replaced 

 with Type B wire of Specification MIL-W-16878 or covered with Teflon sleeving. A pressure- 

 equalizing hole shall be provided in each fixture to permit the glass globe to be removed after 

 Sealab is pressurized. All fixtures except fixtures in head and lavatory shall be controlled by 



