Specifications

MIL-STD-1472E
5.13,6.3 Safety mesh Screen or safety mesh shall be installed on the underside of open
gratings, platforms, or flooring surfaces where small tools, parts or debris may fall through the grating
on workers or equipment beneath the platform.
5.13.7 Electicai, mechanical, fluid, toxic and radiation hazards.
5.13 .’7.1 Electrical hazards.
5.13 .7.1.1 Insulation of tools. Took and test Ieads to be used near high voltages shall be
adequately insuiatexi.
5.13 .7.1.2 PIUESand receptacles. Plugs and receptacle configurations shall preclude inserting a
plug of one voltage rating into a receptacle of another rating.
5.13 .7.1.3 Voltage exposure All hot contacts shall be socket contacts
5.13 .7.1.4 Dan~elous voka~e or current. Guards, grounding, interlocks, and warning placards
shall be provided to minimize exposing pemonnel to dangerous voltages or currents.
5.13 .7.1.5 Ground Potential. Equipment shall be designed so that all external parts, other than
antenna and transmission line terminals, will be at ground potential.
5.13 .7.1.6 Electrically-operated hand tools. Electrically operated hand-held power tools shall be
designed with three-wire power cords with one wire at ground pmmtial and shall have exposed
surfaces which are either non-conducting or am electrically connected to the ground wire. Exposed
surfaces include cases, grips, handles, switches, triggem, chucks, and other surfaces which are
capable of being contacted during operation. Portable tools, protected by an approved system of
double insulation or its cxpivalent, may be used without a ground wti when approved by the
procuring activity.
5.13.7.1.7 Electronic ecmhment. See Guideline 1 of MIL-HDBK-454.
5.13.7.1.8 Vehick batterA. Batteries that have ratings gr@ertban 25amphourssWl have
terminal guarding to prevent inadvertent short+sircuit. Such guwling shall also preveat short-
circuiting the battery in spite of clearly improper but possible acts by personnel, such as placing tools
across terminals, resting a heavy object on the battery cover, and standing on a battery cover.
5.13.7.2 Mechanical hazards.
5. i 3.7.2.1 Guards. A guard shall be provided on all moving parts of machinery and
transmission equipment, including pulleys, belts, gears, and bhdes, on which personnel may become
injured or entangled.
5.13 .7.2.2 Telescoping ladders. Adequate finger clearance shall be provided between rungs of
telescoping ladders.
5.13.7.3 Fluid hazards.
5.13 .7.3.1 Connectors. Each connector used m handhng or contrdhng hazwkms Iiuds.
i:icluding propclkmts, so!vcn!s, toxic rn~trrinh, hypergolim, ml asphy~iants. +FIIIhe incnmpatihle
wi[h other connectors within the access area of that connector.