(2) Suggested specifications for testing high-voltage insulators

Specification for Suspension Type Insulators General: (a) These specifications are intended to cover the design, quality and manufacture, including inspection and testing, of porcelain insulators, cat. No (b) The operating voltage will be (c) There will be required approximately suspension insulators, each of which shall consist of units. (d) There will be required approximately strain insulators, each of which shall consist of units.