Magnavox 27MT5405/17 user manual Example of Antenna Grounding, As per NEC National Electric Code

IMPORTANT SAFETY INSTRUCTIONS

Read before operating equipment

1.	Read these instructions.				17.	Tilt/Stability - All televisions must comply with recommended
2.	Keep these instructions.					international global safety standards for tilt and stability properties of
3.	Heed all warnings.					its cabinet design.
						• Do not compromise these design standards by applying excessive
4.	Follow all instructions.
						pull force to the front, or top, of the cabinet which could ultimately
5.	Do not use this apparatus near water.					overturn the product.
6.	Clean only with a	dry	cloth.			• Also, do not endanger yourself, or children, by placing electronic
						equipment/toys on the top of the cabinet. Such items could unsus-
7.	Do not block any	of the ventilation openings. Install in accordance
						pectingly fall from the top of the set and cause product damage
	with the manufacturers		instructions.			and/or personal injury.
8.	Do not install near any heat sources such as radiators, heat registers,
					18.	Wall or Ceiling Mounting - The appliance should be mount-
	stoves, or other apparatus (including amplifiers) that produce heat.					ed to a wall or ceiling only as recommended by the manufacturer.
9.	Do not defeat the safety purpose of the polarized or grounding-type
					19.	Power Lines - An outdoor antenna should be located away from
	plug. A polarized plug has two blades with one wider than the other.					power lines.
	A grounding type plug has two blades and third grounding prong.
					20.	Outdoor Antenna Grounding - If an outside antenna is
	The wide blade or third prong are provided for your safety. When
						connected to the receiver, be sure the antenna system is grounded so
	the provided plug	does	not fit	into your outlet, consult an electrician
						as to provide some protection against voltage surges and built up
	for replacement of	the	obsolete	outlet.
						static charges.
10.	Protect the power cord from being walked on or pinched particularly
						Section 810 of the National Electric Code, ANSI/NFPA No. 70-1984,
	at plugs, convenience receptacles, and the point where they exit from
						provides information with respect to proper grounding of the mast
	the apparatus.
						and supporting structure, grounding of the lead-in wire to an anten-
11.	Only use attachments/accessories specified by the manufacturer.
						na discharge unit, size of grounding connectors, location of antenna-
12.	Use only with a cart, stand, tripod, bracket, or table					discharge unit, connection to grounding electrodes, and requirements
	specified by the manufacturer, or sold with the appara-					for the grounding electrode. See Figure below.
	tus.	When a cart is used, use caution when moving the			21.	Object and Liquid Entry - Care should be taken so that
13.	cart/apparatus combination to avoid injury from tip-over.					objects do not fall and liquids are not spilled into the enclosure
	Unplug this apparatus during lightning storms or when unused for
						through openings.comply with recommended international global safety
	long periods of time.					standards for tilt and stability properties of its cabinet design.
14.	Refer all servicing to qualified service personnel. Servicing is required
					22.	Battery Usage CAUTION - To prevent battery leakage that
	when the apparatus has been damaged in any way, such as power-					may result in bodily injury, property damage, or damage to the unit:
	supply cord or plug is		damaged, liquid has been spilled or objects
						• Install all batteries correctly, with + and - aligned as marked on
	have fallen into apparatus, the apparatus has been exposed to rain
						the unit.
	or moisture, does not operate normally, or has been dropped.
15.						• Do not mix batteries (old and new or carbon and alkaline, etc.).
	This product may contain lead and mercury. Disposal of these materi-					• Remove batteries when the unit is not used for a long time.
	als may be regulated due to environmental considerations. For dispos-
	al or recycling information, please contact your local authorities or
	the Electronic Industries Alliance: www.eiae.org

16.Damage Requiring Service - The appliance should be serv-

iced by qualified service personnel when:	Example of Antenna Grounding
A. The power supply cord or the plug has been damaged; or	as per NEC - National Electric Code

B.Objects have fallen, or liquid has been spilled into the appli- ance; or

C.	The appliance has been exposed to rain; or
D.	The appliance does not appear to operate normally or	GROUND CLAMP	GROUND CLAMP		ANTENNA LEAD IN WIRE		ANTENNA LEAD IN WIRE
E.	exhibits a marked change in performance; or
	The appliance has been dropped, or the enclosure damaged.
Note to the CATV system installer: This						UNIT	ANTENNA DISCHARGE UNIT
							(NEC SECTION 810-20)
reminder	is provided to call the CATV system
installer's attention to Article 820-40 of the NEC							GROUNDING CONDUCTORS
							(NEC SECTION 810-21)
that provides guidelines for proper grounding and, in						CLAMPS	GROUND CLAMPS
particular, specifies that the cable ground shall be
	ELECTRIC SERVICE EQUIPMENTELECTRIC SERVICE EQUIPMENT			POWER SERVICE GROUNDINGPOWERELECTRODESERVICESYSTEMGROUNDING ELECTRODE SYSTEM
connected to the grounding system of the building, as
close to the point of cable entry as practical.				(NEC ART 250, PART H)		(NEC ART 250, PART H)