Explosion Proof Standards

This Standard applies to explosion-proof electrical equipment suitable for use in hazardous locations in accordance with CSA C22.1, Canadian Electrical Code, Part I and the requirements of CSA M421. It applies to explosion-proof enclosures, parts of enclosures and other...

This specification covers one type of explosion-proof toggle switch designed for single pole, single throw operation in class 1, groups C and D hazardous locations, as defined by the NFPA No. 70, National Electrical Code.

This detail specification defines fiber optic fusion splicers acceptable for the installation and repair of a wide range of optical fibers and cables with virtually no insertion loss in hazardous environments (potentially flammable or explosive atmospheres, Type I), particularly aerospace...

This detail specification defines fiber optic fusion splicers acceptable for the installation and repair of a wide range of optical fibers and cables with virtually no insertion loss, particularly in aerospace applications, but not in flammable or explosive atmospheres (Type II). The requirements...

This standard specifies a method of verifying explosion proofness of circuit breakers. It shall be used together with EN 3841-100.

This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and the issue of the following specification listed in that issue of the Department of Defense...