Altigen AltiWare OE Release 4.0 Getting Started Manual page 17

internal materials of flammability class or lower by at least 25 mm of
air Class V-1 or better. Also, the card must be separated from openings
in the top or sides of the enclosure by at least 25 mm of air or by a
barrier of flammability Class V-1 or better unless the openings comply
with one of the following:
—
not exceed 5 mm in any direction, or
—
not exceed 1 mm in width, regardless of length
3. Any holes in the chassis not conforming to the above should be
covered with a metal perforated screen, with holes not exceeding 5 mm
diameter, fixed internally.
Instructions for Hardwired Earth Connection
1. A supplementary equipment earthing conductor is to be installed
between the product or system and earth, that is, in addition to the
equipment earthing conductor in the power supply cord.
2. The supplementary equipment earthing conductor may not be smaller
in size (8 AWG minimum, recommend 6 AWG) than the unearthed
branch-circuit supply conductors. The supplementary equipment
earthing conductor is to be connected to the product at the terminal
provided, and connected to earth in a manner that will retain the earth
connection when the power supply cord is unplugged. The connection
to earth of the supplementary earthing conductor shall be in
compliance with the appropriate rules for terminating bonding jumpers
in Park K of Article 250 the National Electrical Code, ANSI/NFPA 70,
and Article 10 of Part I of the Canadian Electrical Code, Part I, C22.1.
Termination of the supplementary equipment earthing conductor is
permitted to be made to building steel, to a metal electrical raceway
system or to any earthed item that is permanently and reliably
connected to the electrical service equipment earthed.
3. Bare, covered or insulating earthing conductors are acceptable. A
covered or insulating earth conductor must have a continuous outer
finish that is either green, or green with one or more yellow stripes.
4. Earthing conductor shall not run through steel conduit.
AltiWare OE 4.0 Getting Started Manual xvii
Liability & Warranty