Wiring Diagrams, Portion of -18 follows

For ambient temperatures over 30° C (86° F), see Correction Factors, Note 13 in Code.

Size	Temperature Rating of Conductor
	See Table 310-13 in Code
AMG	60° C	75° C
MCM	(140° F)	(167° F)
	TYPES:	TYPES:
	RUW	RH, RHW, RUH,
	(14-2),	(14-2), THW
	T, TW,	THWN, XHHW,
	UF	USE
18	- - -	- - -
16	- - -	- - -
14	15	15
12	20	20
10	30	30
8	40	45
6	55	65
4	70	85
3	80	100

Portion of Table 310-18 follows:

Allowable Ampacities of Insulated Aluminum and Copper -Clad Aluminum Conductors.

Not more than three conductors in Raceway or Cable or Direct Burial (Based on Ambient Temperature of 30° C, 86° F. These ampacities relate only to conductors described in Table 310-13 in Code.

For ambient temperatures over 30° C (86° F), see Correction Factors, Note 13 in Code.

Size		Temperature Rating of Conductor
	See Table 310-13 in Code
AMG	60° C		75° C
MCM	(140° F)		(167° F)
	TYPES:		TYPES:
	RUW		RH, RHW, RUH,
	(12-2),		(12-2), THW
	T, TW,		THWN, XHHW,
	UF		USE
12	15		15
10	25		25
8	30		40
6	40		50
4	55		65
3	65		75
2	75		90
1	85		100

WIRING DIAGRAMS

A-8 CIRCUIT FOR DUAL ELEMENT HEATER

C-2 CIRCUIT

FOR SINGLE

ELEMENT HEATERS

EQUIPPED WITH HIGH

LIMIT CONTROL

FACTORY WIRED

----------FIELD WIRING

† WHITE FOR 120V

DEN, DEL specifications

A.O. Smith is a well-respected name in the water heating industry, known for its innovative and efficient products. Among their notable offerings are the A.O. Smith DEN and DEL models, which showcase advanced features and technologies designed for residential hot water needs.

The A.O. Smith DEN series is a line of electric tank water heaters that exemplify reliability and performance. One of its main features is the "Eco-friendly" design that meets stringent regulatory standards while providing exceptional energy efficiency. The DEN models are equipped with a variety of capacities, allowing homeowners to choose a unit that best fits their needs, ranging from smaller households to larger family homes.

The DEL series, on the other hand, offers gas-fired water heaters that are built to provide high recovery rates, ensuring that hot water is available whenever needed. The DEL models are equipped with a high-efficiency burner system that enhances fuel utilization, reducing energy costs for homeowners. The robust construction of the DEL series also ensures durability and longevity, making it an excellent investment for those seeking reliable hot water solutions.

Both the DEN and DEL series feature user-friendly digital displays, making it easy for users to monitor temperature settings and energy usage. This technological integration empowers homeowners to manage their hot water needs more effectively, leading to both convenience and savings.

In terms of safety, A.O. Smith has incorporated features such as temperature and pressure relief valves in both series to prevent overheating and excessive pressure buildup. This focus on safety is paramount, providing peace of mind for users.

Moreover, the DEN and DEL models come with comprehensive warranties, reflecting the company's commitment to quality. Homeowners can rest assured that they are investing in products that are not only efficient but also backed by a trusted manufacturer with decades of experience.

In summary, the A.O. Smith DEN and DEL series represent a harmonious blend of advanced technology, energy efficiency, and user-centric features. With their focus on performance and safety, these models stand out as exemplary choices for anyone in need of reliable and efficient hot water solutions. Whether for electric or gas applications, A.O. Smith continues to lead the way in the water heating industry.