After leakage take a look at, pressure contained in the enclosure 201 is vented to atmospheric pressure and the top aspect 201B of the enclosure 201 is opened. Subsequently, optical fiber cables are ready and put in into the fusion splicer one hundred. The top facet 201B of the enclosure 201 is then locked with the latches 201H, sealed with the sealing unit 201G. At the same time, the fiber optic cables are additionally sealed completely.

It is essential to notice that the sealing unit 201G of the current invention is designed in such a method that the optical fiber cables are not broken whereas sealed by the sealing unit 201G. The sealing unit 201G, which is made of soppy materials, conforms across the fiber optic cables and does not crush the fiber optic cables. Moreover, the broad sealing space and flat floor of the sealing unit 201G assist to prevent any leakage to happen while the fiber optic cables are installed to the sealing unit 201G. Once the enclosure 201 is sealed, pressure purging is then carried out using the purging unit 230, for exchanging the combustible fuel contained in the enclosure with non-flammable fuel and sustaining strain of the enclosure 201 at a positive worth.

In the small heating oven, the fiber splice protection sleeve/tube is coated on to the spliced fiber by pressing the push button 205. After the fiber splice safety sleeve/tube coats the spliced fiber, the enclosure 201 is depressurized and the top aspect 201B of the enclosure 201 is opened.

After purging, the fusion splicer 100 power is then turned on by urgent the push buttons 205 and splicing operations mode is chosen utilizing push buttons 205 from outside of the enclosure 201. When the splicing is completed, the fusion splicer one hundred is switched off and pressure is launched from the enclosure 200 so that the highest side 201B of the enclosure 201 could be opened. Next, fiber splice safety sleeve/tube is slide over the spliced fiber and set into small heating oven in the fusion splicer one hundred. The fiber splice safety sleeve/tube is functioned to coat the spliced fiber for further defending the spliced fiber. After sliding the fiber splice safety sleeve/tube, the highest aspect 201B of the enclosure 201 is closed and stress purging is performed again.

Several steps are necessary to operate the enclosure system 200 for splicing two fiber optic cables in hazardous space. First, it is required to put in the fusion splicer one hundred into the enclosure 201 in such a way that operation buttons 102 of the fusion splicer 100 is in line with the push buttons 205 of the enclosure 201. The high side 201B of the enclosure 201 is then closed and sealed using the sealing unit 201G. Next, the enclosure system 200 is tested to determine any leakage.