The insulation thickness is the main difference, with the extra hard service "SO" cables requiring thicker insulation to accommodate for higher voltage ratings, while the SJO constructions require thinner insulation with their lower voltage rating.

What is an SJ cord?

Our SJ cable is a junior service power cable suitable for use as a power supply cable for small tools and appliances. The SJ cable is not water, oil, and solvent resistant.

What is Type SO cord?

Our SO cord is a multi-conductor service cord that is manufactured for the purpose of electrical power connections that require flexibility. ... Common applications include wiring for industrial machinery, enormous appliances, heavy-duty tools, motors, and temporary electrical power and lighting for construction sites.

What is SJ cable used for?

Insulation Type SJOOW Cord (300V)

These multi-conductor power cables can be used both indoors and outdoors. Typical applications include wiring for industrial machinery, large appliances, heavy duty tools, motors, and temporary electrical power and lighting for construction sites.

What is so cord rated for?

SOOW flexible rubber cords carry a 600 volt rating. They are also manufactured as a 300 volt rated Junior Service cord designated as SJOOW. Using the key, a SJEOOW cord is a 300 volt (junior service) elastomer plastic oil resistant inner and outer jacket portable cord.

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22 related questions found

Is SJ cord outdoor rated?

SJO Type SJ, but rated oil resistant. SJOW-A Type SJO, but rated for outdoor use at -30° F.

Is SJ cable sunlight resistant?

Its thermoset rubber jacket makes the cord weather resistant, and the jacket hardens under a direct application of heat, which allows the cord to be unaffected by aging, abrasion, water, sunlight and ozone. Oil-resistant insulation and jacketing lend to the cord's durability as well.

Can SJ cord be buried?

Since it is subject to physical damage, it is not allowed as a direct burial. UF cable is used for direct burial.

Can you run so cord in conduit?

Use of SOOW cable in a conduit is a violation of the National Electrical Code Article 400.8. SOOW is rated “damp” and outdoor “wet” locations.

Why is it called so cord?

SO Cord or SO Cable is a name often used for a power cord or portable cord. The name comes from the UL letter designations used on power cords. ... For example, Type SO portable cord is a 600-volt service cord with an oil resistant outer jacket. A SJO would be the same but with a 300-volt rating.

What is the difference between so cord and Soow cord?

In more general terms the SEOOW is a high-quality flexible cord engineered with plastic characteristics and rubber jacketed material while the SOOW counterpart is only made up of a rubber jacket.

What kind of cord can be used for portable appliances?

A portable cord is usually made of thermoset polymer, thermoplastic elastomer, or thermoplastic. Thermoset cords have heavy-duty-grade rubber jackets, are extremely sturdy and oil-resistant, and may remain flexible over a temperature range of −40 to 220 °F (−40 to 104 °C).

What type of cord can be used on portable appliances?

Cord sets used with portable electric tools and appliances must be of the three-wire type and must be designed for hard or extra-hard use. Examples of flexible cords designed for hard or extra-hard use include hard service cord types S, ST, SO, STO and junior hard service, SJ, SJO, SJT, SJTO.

What is Type SJ wire?

SJ - Hard Service. Also called a "Junior Jacket," this cable is rated for 300V service. ... Just like it sounds, the outer jacket of the cable is oil resistant. OO - The addition of the extra "O" means that the outer jacket and the insulation are both oil resistant. W - Weather and Water Resistant.

What type of wire is in so cord?

Type SEOOW - 600 VAC, 18 to 10 AWG. Type W Cable - 2000 VAC, 8 AWG.

Which cable is used for intercom?

There are really only two main wire types used for intercoms. Shielded and unshielded twisted pair Category 3, 5e, or 6 as defined below. Some intercoms require a cable with a shield around the internal wires.

Can you run so cord in a wall?

2 Answers. Of course it's illegal to run power cords inside walls. National Electrical Code 400.8 rolls through the things you can't do with cord, and it's mostly a list of schemes to use them as a substitute for the permanent wiring of a structure.

Can I put Romex in conduit?

Running Romex in a Conduit

When using any non metallic wire outdoor, including Romex, it is a good idea to run it through a conduit. Yes, they can be used outdoors, it is better to be safe than sorry. We recommend using a conduit when running the wire underground.

How An electrician can tell Type AC and Type MC cable apart?

Describe how an electrician can tell Type AC and Type MC cable apart. conductors are still wrapped with a polyester tape. ... The service neutral conductor is made up of several bare conductors wrapped around the insulated, ungrounded conductors.

Is Soow rated for direct burial?

Our 4-4-4 Aluminum Underground Distribution Cable is rated for direct burial and you do not need to use a conduit.

What is direct burial wire?

Direct burial wire is a type of outdoor electrical wire that is buried underground, usually without conduit. Naturally, these cables have to possess distinct characteristics to withstand the environment of the ground. ... Some direct burial cables are enhanced with armor that protects them from rodents.

What does Sjoow cord stand for?

SJOOW stands for: S = Service Cord (600 Volts) J = Junior Service Cord (300 Volts) OO = Oil Resistant both inside insulation and outside jacket. W = CSA designation for weather/water resistance.

What size so cord is rated for 50 amps?

You should use the No. 4 AWG size for a 50 amp wire.

What does SJO stand for electrical?

Our SJO cord is a junior service, oil-resistant portable cord. This cable is strong with a stranded core and is able to repel oil-laden surroundings. An SJO cord is flexible since its core consists of stranded conductors, but it only has a 300V rating.

Can you use so cord for permanent installation?

SO cord can be permanently installed.